138761514414736 has 20 divisors (see below), whose sum is σ = 268851379129200. Its totient is φ = 69380513349152.

The previous prime is 138761514414707. The next prime is 138761514414767. The reversal of 138761514414736 is 637414415167831.

It is a happy number.

It is a super-2 number, since 2×138761514414736² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10502026 + ... + 19693033.

It is an arithmetic number, because the mean of its divisors is an integer number (13442568956460).

Almost surely, 2^{138761514414736} is an apocalyptic number.

138761514414736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

138761514414736 is a deficient number, since it is larger than the sum of its proper divisors (130089864714464).

138761514414736 is a wasteful number, since it uses less digits than its factorization.

138761514414736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30482286 (or 30482280 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 61.

The spelling of 138761514414736 in words is "one hundred thirty-eight trillion, seven hundred sixty-one billion, five hundred fourteen million, four hundred fourteen thousand, seven hundred thirty-six".