137431492 has 24 divisors (see below), whose sum is σ = 262765440. Its totient is φ = 62374560.

The previous prime is 137431487. The next prime is 137431499. The reversal of 137431492 is 294134731.

It is not an unprimeable number, because it can be changed into a prime (137431499) 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, 33109 + ... + 37027.

It is an arithmetic number, because the mean of its divisors is an integer number (10948560).

Almost surely, 2^137431492 is an apocalyptic number.

It is an amenable number.

137431492 is a deficient number, since it is larger than the sum of its proper divisors (125333948).

137431492 is a wasteful number, since it uses less digits than its factorization.

137431492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4731 (or 4729 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 137431492 is about 11723.1178446691. The cubic root of 137431492 is about 516.0543229470.

The spelling of 137431492 in words is "one hundred thirty-seven million, four hundred thirty-one thousand, four hundred ninety-two".