130555432 has 32 divisors (see below), whose sum is σ = 280264320. Its totient is φ = 55851840.

The previous prime is 130555421. The next prime is 130555457. The reversal of 130555432 is 234555031.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 130555432.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35253 + ... + 38779.

It is an arithmetic number, because the mean of its divisors is an integer number (8758260).

Almost surely, 2^130555432 is an apocalyptic number.

It is an amenable number.

130555432 is an abundant number, since it is smaller than the sum of its proper divisors (149708888).

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

130555432 is a wasteful number, since it uses less digits than its factorization.

130555432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201 (or 4197 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

The square root of 130555432 is about 11426.0855939381. The cubic root of 130555432 is about 507.3001398635.

The spelling of 130555432 in words is "one hundred thirty million, five hundred fifty-five thousand, four hundred thirty-two".