138670650819095 has 16 divisors (see below), whose sum is σ = 173640692293632. Its totient is φ = 106112630939040.

The previous prime is 138670650819059. The next prime is 138670650819209. The reversal of 138670650819095 is 590918056076831.

It is not a de Polignac number, because 138670650819095 - 2⁸ = 138670650818839 is a prime.

It is a Duffinian number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19265450 + ... + 25465640.

It is an arithmetic number, because the mean of its divisors is an integer number (10852543268352).

Almost surely, 2^{138670650819095} is an apocalyptic number.

138670650819095 is a deficient number, since it is larger than the sum of its proper divisors (34970041474537).

138670650819095 is a wasteful number, since it uses less digits than its factorization.

138670650819095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6394702.

The product of its (nonzero) digits is 97977600, while the sum is 68.

The spelling of 138670650819095 in words is "one hundred thirty-eight trillion, six hundred seventy billion, six hundred fifty million, eight hundred nineteen thousand, ninety-five".