130403992 has 32 divisors (see below), whose sum is σ = 258073200. Its totient is φ = 61603200.

The previous prime is 130403971. The next prime is 130404017. The reversal of 130403992 is 299304031.

It is a super-2 number, since 2×130403992² = 34010402259072128, 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, 69142 + ... + 71002.

Almost surely, 2^130403992 is an apocalyptic number.

It is an amenable number.

130403992 is a deficient number, since it is larger than the sum of its proper divisors (127669208).

130403992 is a wasteful number, since it uses less digits than its factorization.

130403992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2347 (or 2343 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 130403992 is about 11419.4567296347. The cubic root of 130403992 is about 507.1039134887.

The spelling of 130403992 in words is "one hundred thirty million, four hundred three thousand, nine hundred ninety-two".