138352651256 has 32 divisors (see below), whose sum is σ = 259835347200. Its totient is φ = 69063321600.

The previous prime is 138352651243. The next prime is 138352651273. The reversal of 138352651256 is 652156253831.

It is a happy number.

It is a super-2 number, since 2×138352651256² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 138352651256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15114281 + ... + 15123431.

It is an arithmetic number, because the mean of its divisors is an integer number (8119854600).

Almost surely, 2^138352651256 is an apocalyptic number.

It is an amenable number.

138352651256 is a deficient number, since it is larger than the sum of its proper divisors (121482695944).

138352651256 is a wasteful number, since it uses less digits than its factorization.

138352651256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12039 (or 12035 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 138352651256 in words is "one hundred thirty-eight billion, three hundred fifty-two million, six hundred fifty-one thousand, two hundred fifty-six".