158940370139 has 2 divisors, whose sum is σ = 158940370140. Its totient is φ = 158940370138.

The previous prime is 158940370117. The next prime is 158940370153. The reversal of 158940370139 is 931073049851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158940370139 - 2³⁶ = 90220893403 is a prime.

It is not a weakly prime, because it can be changed into another prime (158940370159) 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, 79470185069 + 79470185070.

It is an arithmetic number, because the mean of its divisors is an integer number (79470185070).

Almost surely, 2^158940370139 is an apocalyptic number.

158940370139 is a deficient number, since it is larger than the sum of its proper divisors (1).

158940370139 is an equidigital number, since it uses as much as digits as its factorization.

158940370139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 158940370139 in words is "one hundred fifty-eight billion, nine hundred forty million, three hundred seventy thousand, one hundred thirty-nine".