138758676241264 has 40 divisors (see below), whose sum is σ = 275604483309120. Its totient is φ = 67637425305600.

The previous prime is 138758676241261. The next prime is 138758676241363. The reversal of 138758676241264 is 462142676857831.

It is a super-2 number, since 2×138758676241264² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (70) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 138758676241193 and 138758676241202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138758676241261) 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, 76815624 + ... + 78601255.

It is an arithmetic number, because the mean of its divisors is an integer number (6890112082728).

Almost surely, 2^{138758676241264} is an apocalyptic number.

It is an amenable number.

138758676241264 is a deficient number, since it is larger than the sum of its proper divisors (136845807067856).

138758676241264 is a wasteful number, since it uses less digits than its factorization.

138758676241264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155418289 (or 155418283 counting only the distinct ones).

The product of its digits is 650280960, while the sum is 70.

The spelling of 138758676241264 in words is "one hundred thirty-eight trillion, seven hundred fifty-eight billion, six hundred seventy-six million, two hundred forty-one thousand, two hundred sixty-four".