130312972 has 12 divisors (see below), whose sum is σ = 228592336. Its totient is φ = 65000880.

The previous prime is 130312969. The next prime is 130312981. The reversal of 130312972 is 279213031.

It is a self number, because there is not a number n which added to its sum of digits gives 130312972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37008 + ... + 40375.

Almost surely, 2^130312972 is an apocalyptic number.

It is an amenable number.

130312972 is a deficient number, since it is larger than the sum of its proper divisors (98279364).

130312972 is a wasteful number, since it uses less digits than its factorization.

130312972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77808 (or 77806 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 130312972 is about 11415.4707305481. The cubic root of 130312972 is about 506.9859024255.

The spelling of 130312972 in words is "one hundred thirty million, three hundred twelve thousand, nine hundred seventy-two".