130657904 has 40 divisors (see below), whose sum is σ = 274274112. Its totient is φ = 59938560.

The previous prime is 130657897. The next prime is 130657907. The reversal of 130657904 is 409756031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130657907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34169 + ... + 37799.

Almost surely, 2^130657904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130657904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137137056).

130657904 is an abundant number, since it is smaller than the sum of its proper divisors (143616208).

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

130657904 is a wasteful number, since it uses less digits than its factorization.

130657904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3819 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 130657904 is about 11430.5688397385. The cubic root of 130657904 is about 507.4328305386.

The spelling of 130657904 in words is "one hundred thirty million, six hundred fifty-seven thousand, nine hundred four".