130920688 has 20 divisors (see below), whose sum is σ = 261842368. Its totient is φ = 63348480.

The previous prime is 130920679. The next prime is 130920733. The reversal of 130920688 is 886029031.

130920688 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131481 + ... + 132472.

Almost surely, 2^130920688 is an apocalyptic number.

It is an amenable number.

130920688 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

130920688 is a wasteful number, since it uses less digits than its factorization.

130920688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263992 (or 263986 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 130920688 is about 11442.0578568717. The cubic root of 130920688 is about 507.7727919399.

The spelling of 130920688 in words is "one hundred thirty million, nine hundred twenty thousand, six hundred eighty-eight".