131129692 has 12 divisors (see below), whose sum is σ = 229629400. Its totient is φ = 65521296.

The previous prime is 131129689. The next prime is 131129707. The reversal of 131129692 is 296921131.

It is a super-2 number, since 2×131129692² = 34389992248029728, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3567 + ... + 16582.

Almost surely, 2^131129692 is an apocalyptic number.

It is an amenable number.

131129692 is a deficient number, since it is larger than the sum of its proper divisors (98499708).

131129692 is a wasteful number, since it uses less digits than its factorization.

131129692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21780 (or 21778 counting only the distinct ones).

The product of its digits is 5832, while the sum is 34.

The square root of 131129692 is about 11451.1873620162. The cubic root of 131129692 is about 508.0428539705.

The spelling of 131129692 in words is "one hundred thirty-one million, one hundred twenty-nine thousand, six hundred ninety-two".