130990872 has 32 divisors (see below), whose sum is σ = 338042880. Its totient is φ = 42254880.

The previous prime is 130990861. The next prime is 130990877. The reversal of 130990872 is 278099031.

It is a self number, because there is not a number n which added to its sum of digits gives 130990872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130990877) 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, 87288 + ... + 88775.

It is an arithmetic number, because the mean of its divisors is an integer number (10563840).

Almost surely, 2^130990872 is an apocalyptic number.

130990872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130990872 is an abundant number, since it is smaller than the sum of its proper divisors (207052008).

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

130990872 is a wasteful number, since it uses less digits than its factorization.

130990872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176103 (or 176099 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 130990872 is about 11445.1243767816. The cubic root of 130990872 is about 507.8635113922.

The spelling of 130990872 in words is "one hundred thirty million, nine hundred ninety thousand, eight hundred seventy-two".