130878392 has 32 divisors (see below), whose sum is σ = 256370400. Its totient is φ = 62557824.

The previous prime is 130878389. The next prime is 130878413. The reversal of 130878392 is 293878031.

It is a congruent number.

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, 21158 + ... + 26634.

It is an arithmetic number, because the mean of its divisors is an integer number (8011575).

Almost surely, 2^130878392 is an apocalyptic number.

It is an amenable number.

130878392 is a deficient number, since it is larger than the sum of its proper divisors (125492008).

130878392 is a wasteful number, since it uses less digits than its factorization.

130878392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615 (or 5611 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 130878392 is about 11440.2094386423. The cubic root of 130878392 is about 507.7181047050.

The spelling of 130878392 in words is "one hundred thirty million, eight hundred seventy-eight thousand, three hundred ninety-two".