138277373107 has 2 divisors, whose sum is σ = 138277373108. Its totient is φ = 138277373106.

The previous prime is 138277373099. The next prime is 138277373131. The reversal of 138277373107 is 701373772831.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (701373772831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138277373107 - 2³ = 138277373099 is a prime.

It is not a weakly prime, because it can be changed into another prime (138277373167) 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 as a sum of consecutive naturals, namely, 69138686553 + 69138686554.

It is an arithmetic number, because the mean of its divisors is an integer number (69138686554).

Almost surely, 2^138277373107 is an apocalyptic number.

138277373107 is a deficient number, since it is larger than the sum of its proper divisors (1).

138277373107 is an equidigital number, since it uses as much as digits as its factorization.

138277373107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 138277373107 in words is "one hundred thirty-eight billion, two hundred seventy-seven million, three hundred seventy-three thousand, one hundred seven".