138927122 has 16 divisors (see below), whose sum is σ = 209986560. Its totient is φ = 68934192.

The previous prime is 138927083. The next prime is 138927127. The reversal of 138927122 is 221729831.

It is not an unprimeable number, because it can be changed into a prime (138927127) 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, 224129 + ... + 224747.

It is an arithmetic number, because the mean of its divisors is an integer number (13124160).

Almost surely, 2^138927122 is an apocalyptic number.

138927122 is a deficient number, since it is larger than the sum of its proper divisors (71059438).

138927122 is a wasteful number, since it uses less digits than its factorization.

138927122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 12096, while the sum is 35.

The square root of 138927122 is about 11786.7350016873. The cubic root of 138927122 is about 517.9195996322.

The spelling of 138927122 in words is "one hundred thirty-eight million, nine hundred twenty-seven thousand, one hundred twenty-two".