138976807822 has 16 divisors (see below), whose sum is σ = 216196911360. Its totient is φ = 66923242848.

The previous prime is 138976807819. The next prime is 138976807843. The reversal of 138976807822 is 228708679831.

138976807822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×138976807822² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2994798 + ... + 3040849.

It is an arithmetic number, because the mean of its divisors is an integer number (13512306960).

Almost surely, 2^138976807822 is an apocalyptic number.

138976807822 is a deficient number, since it is larger than the sum of its proper divisors (77220103538).

138976807822 is a wasteful number, since it uses less digits than its factorization.

138976807822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6036075.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 138976807822 in words is "one hundred thirty-eight billion, nine hundred seventy-six million, eight hundred seven thousand, eight hundred twenty-two".