135639074719 has 2 divisors, whose sum is σ = 135639074720. Its totient is φ = 135639074718.

The previous prime is 135639074689. The next prime is 135639074867. The reversal of 135639074719 is 917470936531.

It is a weak prime.

It is an emirp because it is prime and its reverse (917470936531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135639074719 - 2⁵ = 135639074687 is a prime.

It is a super-2 number, since 2×135639074719² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 135639074719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135639074419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67819537359 + 67819537360.

It is an arithmetic number, because the mean of its divisors is an integer number (67819537360).

Almost surely, 2^135639074719 is an apocalyptic number.

135639074719 is a deficient number, since it is larger than the sum of its proper divisors (1).

135639074719 is an equidigital number, since it uses as much as digits as its factorization.

135639074719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4286520, while the sum is 55.

The spelling of 135639074719 in words is "one hundred thirty-five billion, six hundred thirty-nine million, seventy-four thousand, seven hundred nineteen".