130985992 has 16 divisors (see below), whose sum is σ = 250824960. Its totient is φ = 64099344.

The previous prime is 130985977. The next prime is 130985993. The reversal of 130985992 is 299589031.

It is not an unprimeable number, because it can be changed into a prime (130985993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173808 + ... + 174559.

It is an arithmetic number, because the mean of its divisors is an integer number (15676560).

Almost surely, 2^130985992 is an apocalyptic number.

It is an amenable number.

130985992 is a deficient number, since it is larger than the sum of its proper divisors (119838968).

130985992 is a wasteful number, since it uses less digits than its factorization.

130985992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348420 (or 348416 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 130985992 is about 11444.9111835785. The cubic root of 130985992 is about 507.8572045794.

The spelling of 130985992 in words is "one hundred thirty million, nine hundred eighty-five thousand, nine hundred ninety-two".