138764683860 has 48 divisors (see below), whose sum is σ = 423863036352. Its totient is φ = 33639923200.

The previous prime is 138764683859. The next prime is 138764683873. The reversal of 138764683860 is 68386467831.

138764683860 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 138764683794 and 138764683803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105124101 + ... + 105125420.

It is an arithmetic number, because the mean of its divisors is an integer number (8830479924).

Almost surely, 2^138764683860 is an apocalyptic number.

138764683860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138764683860 is an abundant number, since it is smaller than the sum of its proper divisors (285098352492).

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

138764683860 is a wasteful number, since it uses less digits than its factorization.

138764683860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210249544 (or 210249542 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 60.

The spelling of 138764683860 in words is "one hundred thirty-eight billion, seven hundred sixty-four million, six hundred eighty-three thousand, eight hundred sixty".