130618972 has 24 divisors (see below), whose sum is σ = 249686640. Its totient is φ = 59295360.

The previous prime is 130618963. The next prime is 130619003. The reversal of 130618972 is 279816031.

It is a super-2 number, since 2×130618972² = 34122631692673568, which contains 22 as substring.

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, 45648 + ... + 48424.

It is an arithmetic number, because the mean of its divisors is an integer number (10403610).

Almost surely, 2^130618972 is an apocalyptic number.

It is an amenable number.

130618972 is a deficient number, since it is larger than the sum of its proper divisors (119067668).

130618972 is a wasteful number, since it uses less digits than its factorization.

130618972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3861 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 130618972 is about 11428.8657354962. The cubic root of 130618972 is about 507.3824257873.

The spelling of 130618972 in words is "one hundred thirty million, six hundred eighteen thousand, nine hundred seventy-two".