131137492 has 24 divisors (see below), whose sum is σ = 236141696. Its totient is φ = 63695808.

The previous prime is 131137483. The next prime is 131137493. The reversal of 131137492 is 294731131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131137493) 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, 16213 + ... + 22915.

Almost surely, 2^131137492 is an apocalyptic number.

It is an amenable number.

131137492 is a deficient number, since it is larger than the sum of its proper divisors (105004204).

131137492 is a wasteful number, since it uses less digits than its factorization.

131137492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847 (or 6845 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 131137492 is about 11451.5279329878. The cubic root of 131137492 is about 508.0529270913.

The spelling of 131137492 in words is "one hundred thirty-one million, one hundred thirty-seven thousand, four hundred ninety-two".