130302040 has 128 divisors (see below), whose sum is σ = 335301120. Its totient is φ = 45158400.

The previous prime is 130302023. The next prime is 130302077. The reversal of 130302040 is 40203031.

It is a self number, because there is not a number n which added to its sum of digits gives 130302040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343272 + ... + 1343368.

It is an arithmetic number, because the mean of its divisors is an integer number (2619540).

Almost surely, 2^130302040 is an apocalyptic number.

130302040 is a gapful number since it is divisible by the number (10) 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 130302040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167650560).

130302040 is an abundant number, since it is smaller than the sum of its proper divisors (204999080).

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

130302040 is a wasteful number, since it uses less digits than its factorization.

130302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

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

The square root of 130302040 is about 11414.9918966244. The cubic root of 130302040 is about 506.9717249552.

Adding to 130302040 its reverse (40203031), we get a palindrome (170505071).

Subtracting from 130302040 its reverse (40203031), we obtain a palindrome (90099009).

The spelling of 130302040 in words is "one hundred thirty million, three hundred two thousand, forty".