135527317 has 2 divisors, whose sum is σ = 135527318. Its totient is φ = 135527316.

The previous prime is 135527279. The next prime is 135527321. The reversal of 135527317 is 713725531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116942596 + 18584721 = 10814^2 + 4311^2 .

It is an emirp because it is prime and its reverse (713725531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135527317 - 2²⁷ = 1309589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135527617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67763658 + 67763659.

It is an arithmetic number, because the mean of its divisors is an integer number (67763659).

Almost surely, 2^135527317 is an apocalyptic number.

It is an amenable number.

135527317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135527317 is an equidigital number, since it uses as much as digits as its factorization.

135527317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22050, while the sum is 34.

The square root of 135527317 is about 11641.6200333115. The cubic root of 135527317 is about 513.6598417061.

The spelling of 135527317 in words is "one hundred thirty-five million, five hundred twenty-seven thousand, three hundred seventeen".