130471992 has 64 divisors (see below), whose sum is σ = 414201600. Its totient is φ = 37277280.

The previous prime is 130471973. The next prime is 130471997. The reversal of 130471992 is 299174031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130471997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41634 + ... + 44657.

It is an arithmetic number, because the mean of its divisors is an integer number (6471900).

Almost surely, 2^130471992 is an apocalyptic number.

130471992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

130471992 is an abundant number, since it is smaller than the sum of its proper divisors (283729608).

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

130471992 is a wasteful number, since it uses less digits than its factorization.

130471992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86313 (or 86303 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 130471992 is about 11422.4337161570. The cubic root of 130471992 is about 507.1920423707.

The spelling of 130471992 in words is "one hundred thirty million, four hundred seventy-one thousand, nine hundred ninety-two".