139457074079 has 2 divisors, whose sum is σ = 139457074080. Its totient is φ = 139457074078.

The previous prime is 139457074069. The next prime is 139457074093. The reversal of 139457074079 is 970470754931.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (970470754931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 139457074079 - 2⁴ = 139457074063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139457074069) 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, 69728537039 + 69728537040.

It is an arithmetic number, because the mean of its divisors is an integer number (69728537040).

Almost surely, 2^139457074079 is an apocalyptic number.

139457074079 is a deficient number, since it is larger than the sum of its proper divisors (1).

139457074079 is an equidigital number, since it uses as much as digits as its factorization.

139457074079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 56.

The spelling of 139457074079 in words is "one hundred thirty-nine billion, four hundred fifty-seven million, seventy-four thousand, seventy-nine".