130905328 has 20 divisors (see below), whose sum is σ = 264657168. Its totient is φ = 62606720.

The previous prime is 130905323. The next prime is 130905349. The reversal of 130905328 is 823509031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130905328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130905323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177493 + ... + 178228.

Almost surely, 2^130905328 is an apocalyptic number.

It is an amenable number.

130905328 is an abundant number, since it is smaller than the sum of its proper divisors (133751840).

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

130905328 is a wasteful number, since it uses less digits than its factorization.

130905328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355752 (or 355746 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 130905328 is about 11441.3866292508. The cubic root of 130905328 is about 507.7529333643.

The spelling of 130905328 in words is "one hundred thirty million, nine hundred five thousand, three hundred twenty-eight".