130732992 has 252 divisors, whose sum is σ = 435071520. Its totient is φ = 37380096.

The previous prime is 130732963. The next prime is 130733003. The reversal of 130732992 is 299237031.

It is a super-2 number, since 2×130732992² = 34182230394544128, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1654809 + ... + 1654887.

Almost surely, 2^130732992 is an apocalyptic number.

130732992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130732992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217535760).

130732992 is an abundant number, since it is smaller than the sum of its proper divisors (304338528).

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

130732992 is a wasteful number, since it uses less digits than its factorization.

130732992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 130732992 is about 11433.8528939286. The cubic root of 130732992 is about 507.5300177186.

The spelling of 130732992 in words is "one hundred thirty million, seven hundred thirty-two thousand, nine hundred ninety-two".