138682816906112 has 32 divisors (see below), whose sum is σ = 276317250856920. Its totient is φ = 69332604926464.

The previous prime is 138682816906093. The next prime is 138682816906129. The reversal of 138682816906112 is 211609618286831.

It is a tau number, because it is divible by the number of its divisors (32).

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 3 ways as a sum of consecutive naturals, for example, 67765358 + ... + 69781869.

Almost surely, 2^{138682816906112} is an apocalyptic number.

It is an amenable number.

138682816906112 is a deficient number, since it is larger than the sum of its proper divisors (137634433950808).

138682816906112 is an equidigital number, since it uses as much as digits as its factorization.

138682816906112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137555118 (or 137555106 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 138682816906112 in words is "one hundred thirty-eight trillion, six hundred eighty-two billion, eight hundred sixteen million, nine hundred six thousand, one hundred twelve".