139393827719 has 2 divisors, whose sum is σ = 139393827720. Its totient is φ = 139393827718.

The previous prime is 139393827707. The next prime is 139393827743. The reversal of 139393827719 is 917728393931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-139393827719 is a prime.

It is a super-2 number, since 2×139393827719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (139393827319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69696913859 + 69696913860.

It is an arithmetic number, because the mean of its divisors is an integer number (69696913860).

Almost surely, 2^139393827719 is an apocalyptic number.

139393827719 is a deficient number, since it is larger than the sum of its proper divisors (1).

139393827719 is an equidigital number, since it uses as much as digits as its factorization.

139393827719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15431472, while the sum is 62.

The spelling of 139393827719 in words is "one hundred thirty-nine billion, three hundred ninety-three million, eight hundred twenty-seven thousand, seven hundred nineteen".