130921538807880 has 96 divisors (see below), whose sum is σ = 425642387601600. Its totient is φ = 34900317099648.

The previous prime is 130921538807879. The next prime is 130921538807893. The reversal of 130921538807880 is 88708835129031.

130921538807880 is a `hidden beast` number, since 1 + 3 + 0 + 9 + 21 + 538 + 8 + 0 + 78 + 8 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61944910 + ... + 64023549.

It is an arithmetic number, because the mean of its divisors is an integer number (4433774870850).

Almost surely, 2^{130921538807880} is an apocalyptic number.

130921538807880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130921538807880 is an abundant number, since it is smaller than the sum of its proper divisors (294720848793720).

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

130921538807880 is a wasteful number, since it uses less digits than its factorization.

130921538807880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125971363 (or 125971356 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 63.

The spelling of 130921538807880 in words is "one hundred thirty trillion, nine hundred twenty-one billion, five hundred thirty-eight million, eight hundred seven thousand, eight hundred eighty".