130230432 has 108 divisors (see below), whose sum is σ = 381006990. Its totient is φ = 42193920.

The previous prime is 130230431. The next prime is 130230433. The reversal of 130230432 is 234032031.

130230432 is a `hidden beast` number, since 1 + 3 + 0 + 230 + 432 = 666.

It is an interprime number because it is at equal distance from previous prime (130230431) and next prime (130230433).

It can be written as a sum of positive squares in 3 ways, for example, as 15397776 + 114832656 = 3924^2 + 10716^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (130230431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 483994 + ... + 484262.

Almost surely, 2^130230432 is an apocalyptic number.

130230432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130230432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190503495).

130230432 is an abundant number, since it is smaller than the sum of its proper divisors (250776558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

130230432 is a wasteful number, since it uses less digits than its factorization.

130230432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367 (or 315 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 130230432 is about 11411.8548886673. The cubic root of 130230432 is about 506.8788385007.

Adding to 130230432 its reverse (234032031), we get a palindrome (364262463).

The spelling of 130230432 in words is "one hundred thirty million, two hundred thirty thousand, four hundred thirty-two".