139496488 has 16 divisors (see below), whose sum is σ = 262886580. Its totient is φ = 69393408.

The previous prime is 139496471. The next prime is 139496521. The reversal of 139496488 is 884694931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 104898564 + 34597924 = 10242^2 + 5882^2 .

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, 42681 + ... + 45832.

Almost surely, 2^139496488 is an apocalyptic number.

It is an amenable number.

139496488 is a deficient number, since it is larger than the sum of its proper divisors (123390092).

139496488 is a wasteful number, since it uses less digits than its factorization.

139496488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88716 (or 88712 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 52.

The square root of 139496488 is about 11810.8631352666. The cubic root of 139496488 is about 518.6261664447.

The spelling of 139496488 in words is "one hundred thirty-nine million, four hundred ninety-six thousand, four hundred eighty-eight".