131365492 has 24 divisors (see below), whose sum is σ = 232848000. Its totient is φ = 64842336.

The previous prime is 131365469. The next prime is 131365499. The reversal of 131365492 is 294563131.

Its product of digits (19440) is a multiple of the sum of its prime factors (1215).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131365499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219009 + ... + 219607.

It is an arithmetic number, because the mean of its divisors is an integer number (9702000).

Almost surely, 2^131365492 is an apocalyptic number.

It is an amenable number.

131365492 is a deficient number, since it is larger than the sum of its proper divisors (101482508).

131365492 is a wasteful number, since it uses less digits than its factorization.

131365492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1215 (or 1213 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 131365492 is about 11461.4786131633. The cubic root of 131365492 is about 508.3471958476.

The spelling of 131365492 in words is "one hundred thirty-one million, three hundred sixty-five thousand, four hundred ninety-two".