138701670139 has 2 divisors, whose sum is σ = 138701670140. Its totient is φ = 138701670138.

The previous prime is 138701670053. The next prime is 138701670143. The reversal of 138701670139 is 931076107831.

It is a strong prime.

It is an emirp because it is prime and its reverse (931076107831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 138701670139 - 2⁷ = 138701670011 is a prime.

It is not a weakly prime, because it can be changed into another prime (138701670179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69350835069 + 69350835070.

It is an arithmetic number, because the mean of its divisors is an integer number (69350835070).

Almost surely, 2^138701670139 is an apocalyptic number.

138701670139 is a deficient number, since it is larger than the sum of its proper divisors (1).

138701670139 is an equidigital number, since it uses as much as digits as its factorization.

138701670139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 46.

The spelling of 138701670139 in words is "one hundred thirty-eight billion, seven hundred one million, six hundred seventy thousand, one hundred thirty-nine".