138927238167 has 8 divisors (see below), whose sum is σ = 185240743024. Its totient is φ = 92615946048.

The previous prime is 138927238159. The next prime is 138927238189. The reversal of 138927238167 is 761832729831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 138927238167 - 2³ = 138927238159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138927238117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 400678 + ... + 662115.

It is an arithmetic number, because the mean of its divisors is an integer number (23155092878).

Almost surely, 2^138927238167 is an apocalyptic number.

138927238167 is a deficient number, since it is larger than the sum of its proper divisors (46313504857).

138927238167 is a wasteful number, since it uses less digits than its factorization.

138927238167 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106369.

The product of its digits is 6096384, while the sum is 57.

The spelling of 138927238167 in words is "one hundred thirty-eight billion, nine hundred twenty-seven million, two hundred thirty-eight thousand, one hundred sixty-seven".