138900443711 has 8 divisors (see below), whose sum is σ = 149611249920. Its totient is φ = 128529663192.

The previous prime is 138900443701. The next prime is 138900443713. The reversal of 138900443711 is 117344009831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 138900443711 - 2²⁶ = 138833334847 is a prime.

It is a super-2 number, since 2×138900443711² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138900443713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85005575 + ... + 85007208.

It is an arithmetic number, because the mean of its divisors is an integer number (18701406240).

Almost surely, 2^138900443711 is an apocalyptic number.

138900443711 is a deficient number, since it is larger than the sum of its proper divisors (10710806209).

138900443711 is a wasteful number, since it uses less digits than its factorization.

138900443711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170012845.

The product of its (nonzero) digits is 72576, while the sum is 41.

The spelling of 138900443711 in words is "one hundred thirty-eight billion, nine hundred million, four hundred forty-three thousand, seven hundred eleven".