139626604136 has 16 divisors (see below), whose sum is σ = 263128819140. Its totient is φ = 69458919040.

The previous prime is 139626604127. The next prime is 139626604207. The reversal of 139626604136 is 631406626931.

It can be written as a sum of positive squares in 2 ways, for example, as 139584432100 + 42172036 = 373610^2 + 6494^2 .

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, 44296205 + ... + 44299356.

Almost surely, 2^139626604136 is an apocalyptic number.

It is an amenable number.

139626604136 is a deficient number, since it is larger than the sum of its proper divisors (123502215004).

139626604136 is a wasteful number, since it uses less digits than its factorization.

139626604136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88595764 (or 88595760 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 47.

The spelling of 139626604136 in words is "one hundred thirty-nine billion, six hundred twenty-six million, six hundred four thousand, one hundred thirty-six".