138622583256 has 32 divisors (see below), whose sum is σ = 355009057200. Its totient is φ = 45080514560.

The previous prime is 138622583237. The next prime is 138622583257. The reversal of 138622583256 is 652385226831.

It is a super-3 number, since 3×138622583256³ (a number of 34 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138622583199 and 138622583208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138622583257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70437321 + ... + 70439288.

Almost surely, 2^138622583256 is an apocalyptic number.

It is an amenable number.

138622583256 is an abundant number, since it is smaller than the sum of its proper divisors (216386473944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138622583256 is a wasteful number, since it uses less digits than its factorization.

138622583256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140876659 (or 140876655 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 138622583256 in words is "one hundred thirty-eight billion, six hundred twenty-two million, five hundred eighty-three thousand, two hundred fifty-six".