138851774575682 has 48 divisors (see below), whose sum is σ = 242450388069120. Its totient is φ = 59466598656192.

The previous prime is 138851774575643. The next prime is 138851774575739. The reversal of 138851774575682 is 286575477158831.

It is a super-2 number, since 2×138851774575682² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1259565638 + ... + 1259675870.

It is an arithmetic number, because the mean of its divisors is an integer number (5051049751440).

Almost surely, 2^{138851774575682} is an apocalyptic number.

138851774575682 is a deficient number, since it is larger than the sum of its proper divisors (103598613493438).

138851774575682 is a wasteful number, since it uses less digits than its factorization.

138851774575682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119055 (or 119048 counting only the distinct ones).

The product of its digits is 3161088000, while the sum is 77.

The spelling of 138851774575682 in words is "one hundred thirty-eight trillion, eight hundred fifty-one billion, seven hundred seventy-four million, five hundred seventy-five thousand, six hundred eighty-two".