135176715617 has 2 divisors, whose sum is σ = 135176715618. Its totient is φ = 135176715616.

The previous prime is 135176715533. The next prime is 135176715671. The reversal of 135176715617 is 716517671531.

Together with next prime (135176715671) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77440314961 + 57736400656 = 278281^2 + 240284^2 .

It is an emirp because it is prime and its reverse (716517671531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135176715617 - 2¹⁰ = 135176714593 is a prime.

It is not a weakly prime, because it can be changed into another prime (135176715217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67588357808 + 67588357809.

It is an arithmetic number, because the mean of its divisors is an integer number (67588357809).

Almost surely, 2^135176715617 is an apocalyptic number.

It is an amenable number.

135176715617 is a deficient number, since it is larger than the sum of its proper divisors (1).

135176715617 is an equidigital number, since it uses as much as digits as its factorization.

135176715617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 926100, while the sum is 50.

The spelling of 135176715617 in words is "one hundred thirty-five billion, one hundred seventy-six million, seven hundred fifteen thousand, six hundred seventeen".