138081338373 has 32 divisors (see below), whose sum is σ = 221906138112. Its totient is φ = 75338489600.

The previous prime is 138081338347. The next prime is 138081338401. The reversal of 138081338373 is 373833180831.

It is not a de Polignac number, because 138081338373 - 2⁵ = 138081338341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138081338573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5337843 + ... + 5363648.

It is an arithmetic number, because the mean of its divisors is an integer number (6934566816).

Almost surely, 2^138081338373 is an apocalyptic number.

It is an amenable number.

138081338373 is a deficient number, since it is larger than the sum of its proper divisors (83824799739).

138081338373 is a wasteful number, since it uses less digits than its factorization.

138081338373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10701545.

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 138081338373 in words is "one hundred thirty-eight billion, eighty-one million, three hundred thirty-eight thousand, three hundred seventy-three".