137439392 has 24 divisors (see below), whose sum is σ = 270969300. Its totient is φ = 68621824.

The previous prime is 137439391. The next prime is 137439403. The reversal of 137439392 is 293934731.

It can be written as a sum of positive squares in 2 ways, for example, as 134467216 + 2972176 = 11596^2 + 1724^2 .

It is not an unprimeable number, because it can be changed into a prime (137439391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23234 + ... + 28542.

Almost surely, 2^137439392 is an apocalyptic number.

It is an amenable number.

137439392 is a deficient number, since it is larger than the sum of its proper divisors (133529908).

137439392 is an equidigital number, since it uses as much as digits as its factorization.

137439392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128 (or 6120 counting only the distinct ones).

The product of its digits is 122472, while the sum is 41.

The square root of 137439392 is about 11723.4547809082. The cubic root of 137439392 is about 516.0642109064.

The spelling of 137439392 in words is "one hundred thirty-seven million, four hundred thirty-nine thousand, three hundred ninety-two".