138214867385 has 16 divisors (see below), whose sum is σ = 189570326400. Its totient is φ = 94766654976.

The previous prime is 138214867369. The next prime is 138214867447. The reversal of 138214867385 is 583768412831.

It is not a de Polignac number, because 138214867385 - 2⁴ = 138214867369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138214867385.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180986 + ... + 556044.

It is an arithmetic number, because the mean of its divisors is an integer number (11848145400).

Almost surely, 2^138214867385 is an apocalyptic number.

It is an amenable number.

138214867385 is a deficient number, since it is larger than the sum of its proper divisors (51355459015).

138214867385 is a wasteful number, since it uses less digits than its factorization.

138214867385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385600.

The product of its digits is 7741440, while the sum is 56.

The spelling of 138214867385 in words is "one hundred thirty-eight billion, two hundred fourteen million, eight hundred sixty-seven thousand, three hundred eighty-five".