138277373167 has 2 divisors, whose sum is σ = 138277373168. Its totient is φ = 138277373166.

The previous prime is 138277373141. The next prime is 138277373189. The reversal of 138277373167 is 761373772831.

It is a happy number.

138277373167 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138277373167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138277373107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69138686583 + 69138686584.

It is an arithmetic number, because the mean of its divisors is an integer number (69138686584).

Almost surely, 2^138277373167 is an apocalyptic number.

138277373167 is a deficient number, since it is larger than the sum of its proper divisors (1).

138277373167 is an equidigital number, since it uses as much as digits as its factorization.

138277373167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6223392, while the sum is 55.

The spelling of 138277373167 in words is "one hundred thirty-eight billion, two hundred seventy-seven million, three hundred seventy-three thousand, one hundred sixty-seven".