138751513204 has 6 divisors (see below), whose sum is σ = 242815148114. Its totient is φ = 69375756600.

The previous prime is 138751513177. The next prime is 138751513213. The reversal of 138751513204 is 402315157831.

It can be written as a sum of positive squares in only one way, i.e., 110004988900 + 28746524304 = 331670^2 + 169548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17343939147 + ... + 17343939154.

Almost surely, 2^138751513204 is an apocalyptic number.

It is an amenable number.

138751513204 is a deficient number, since it is larger than the sum of its proper divisors (104063634910).

138751513204 is a wasteful number, since it uses less digits than its factorization.

138751513204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34687878305 (or 34687878303 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 138751513204 in words is "one hundred thirty-eight billion, seven hundred fifty-one million, five hundred thirteen thousand, two hundred four".