138063583251968 has 80 divisors (see below), whose sum is σ = 314019617636736. Its totient is φ = 60027644835840.

The previous prime is 138063583251949. The next prime is 138063583251973. The reversal of 138063583251968 is 869152385360831.

It is a super-3 number, since 3×138063583251968³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 138063583251898 and 138063583251907.

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, 532786346 + ... + 533045417.

Almost surely, 2^{138063583251968} is an apocalyptic number.

It is an amenable number.

138063583251968 is an abundant number, since it is smaller than the sum of its proper divisors (175956034384768).

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

138063583251968 is a wasteful number, since it uses less digits than its factorization.

138063583251968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065831815 (or 1065831799 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 68.

The spelling of 138063583251968 in words is "one hundred thirty-eight trillion, sixty-three billion, five hundred eighty-three million, two hundred fifty-one thousand, nine hundred sixty-eight".