130432 has 16 divisors (see below), whose sum is σ = 260100. Its totient is φ = 65152.

The previous prime is 130423. The next prime is 130439. The reversal of 130432 is 234031.

It is a tau number, because it is divible by the number of its divisors (16).

It is a hoax number, since the sum of its digits (13) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130439) by changing a digit.

130432 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382 + ... + 637.

2¹³⁰⁴³² is an apocalyptic number.

It is an amenable number.

130432 is a deficient number, since it is larger than the sum of its proper divisors (129668).

130432 is an equidigital number, since it uses as much as digits as its factorization.

130432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 130432 is about 361.1537068895. The cubic root of 130432 is about 50.7140215930.

Adding to 130432 its reverse (234031), we get a palindrome (364463).

The spelling of 130432 in words is "one hundred thirty thousand, four hundred thirty-two".