138922322719 has 6 divisors (see below), whose sum is σ = 143405830176. Its totient is φ = 134438949180.

The previous prime is 138922322717. The next prime is 138922322779. The reversal of 138922322719 is 917223229831.

It is not a de Polignac number, because 138922322719 - 2¹ = 138922322717 is a prime.

It is a super-2 number, since 2×138922322719² (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 (138922322717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2041762 + ... + 2108704.

It is an arithmetic number, because the mean of its divisors is an integer number (23900971696).

Almost surely, 2^138922322719 is an apocalyptic number.

138922322719 is a deficient number, since it is larger than the sum of its proper divisors (4483507457).

138922322719 is an frugal number, since it uses more digits than its factorization.

138922322719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133917 (or 66974 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 138922322719 in words is "one hundred thirty-eight billion, nine hundred twenty-two million, three hundred twenty-two thousand, seven hundred nineteen".