136231924 has 12 divisors (see below), whose sum is σ = 239268484. Its totient is φ = 67869504.

The previous prime is 136231877. The next prime is 136231981. The reversal of 136231924 is 429132631.

It can be written as a sum of positive squares in 2 ways, for example, as 80460900 + 55771024 = 8970^2 + 7468^2 .

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, 60369 + ... + 62584.

Almost surely, 2^136231924 is an apocalyptic number.

It is an amenable number.

136231924 is a deficient number, since it is larger than the sum of its proper divisors (103036560).

136231924 is a wasteful number, since it uses less digits than its factorization.

136231924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123234 (or 123232 counting only the distinct ones).

The product of its digits is 7776, while the sum is 31.

The square root of 136231924 is about 11671.8432134775. The cubic root of 136231924 is about 514.5484765861.

The spelling of 136231924 in words is "one hundred thirty-six million, two hundred thirty-one thousand, nine hundred twenty-four".