138114976686 has 32 divisors (see below), whose sum is σ = 286525916160. Its totient is φ = 44351665344.

The previous prime is 138114976663. The next prime is 138114976693. The reversal of 138114976686 is 686679411831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3647806 + ... + 3685473.

It is an arithmetic number, because the mean of its divisors is an integer number (8953934880).

Almost surely, 2^138114976686 is an apocalyptic number.

138114976686 is an abundant number, since it is smaller than the sum of its proper divisors (148410939474).

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

138114976686 is a wasteful number, since it uses less digits than its factorization.

138114976686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7333400.

The product of its digits is 10450944, while the sum is 60.

The spelling of 138114976686 in words is "one hundred thirty-eight billion, one hundred fourteen million, nine hundred seventy-six thousand, six hundred eighty-six".