138172986341 has 16 divisors (see below), whose sum is σ = 156647736000. Its totient is φ = 120820336128.

The previous prime is 138172986323. The next prime is 138172986401. The reversal of 138172986341 is 143689271831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138172986341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138172986311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3847430 + ... + 3883176.

It is an arithmetic number, because the mean of its divisors is an integer number (9790483500).

Almost surely, 2^138172986341 is an apocalyptic number.

It is an amenable number.

138172986341 is a deficient number, since it is larger than the sum of its proper divisors (18474749659).

138172986341 is a wasteful number, since it uses less digits than its factorization.

138172986341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51428.

The product of its digits is 1741824, while the sum is 53.

The spelling of 138172986341 in words is "one hundred thirty-eight billion, one hundred seventy-two million, nine hundred eighty-six thousand, three hundred forty-one".