138756504104 has 16 divisors (see below), whose sum is σ = 260175686100. Its totient is φ = 69376321152.

The previous prime is 138756504101. The next prime is 138756504137. The reversal of 138756504104 is 401405657831.

It can be written as a sum of positive squares in 2 ways, for example, as 137494123204 + 1262380900 = 370802^2 + 35530^2 .

It is not an unprimeable number, because it can be changed into a prime (138756504101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90962 + ... + 534590.

Almost surely, 2^138756504104 is an apocalyptic number.

It is an amenable number.

138756504104 is a deficient number, since it is larger than the sum of its proper divisors (121419181996).

138756504104 is a wasteful number, since it uses less digits than its factorization.

138756504104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482732 (or 482728 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 138756504104 in words is "one hundred thirty-eight billion, seven hundred fifty-six million, five hundred four thousand, one hundred four".