138837507052 has 24 divisors (see below), whose sum is σ = 243319398336. Its totient is φ = 69317741328.

The previous prime is 138837507031. The next prime is 138837507079. The reversal of 138837507052 is 250705738831.

138837507052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 138837506987 and 138837507005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12127243 + ... + 12138685.

It is an arithmetic number, because the mean of its divisors is an integer number (10138308264).

Almost surely, 2^138837507052 is an apocalyptic number.

It is an amenable number.

138837507052 is a deficient number, since it is larger than the sum of its proper divisors (104481891284).

138837507052 is a wasteful number, since it uses less digits than its factorization.

138837507052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15597 (or 15595 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 49.

The spelling of 138837507052 in words is "one hundred thirty-eight billion, eight hundred thirty-seven million, five hundred seven thousand, fifty-two".