138258339395 has 32 divisors (see below), whose sum is σ = 190551847680. Its totient is φ = 95242746240.

The previous prime is 138258339371. The next prime is 138258339397. The reversal of 138258339395 is 593933852831.

It is not a de Polignac number, because 138258339395 - 2²² = 138254145091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (138258339397) 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, 11366657 + ... + 11378813.

It is an arithmetic number, because the mean of its divisors is an integer number (5954745240).

Almost surely, 2^138258339395 is an apocalyptic number.

138258339395 is a deficient number, since it is larger than the sum of its proper divisors (52293508285).

138258339395 is a wasteful number, since it uses less digits than its factorization.

138258339395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23075.

The product of its digits is 20995200, while the sum is 59.

The spelling of 138258339395 in words is "one hundred thirty-eight billion, two hundred fifty-eight million, three hundred thirty-nine thousand, three hundred ninety-five".