135297317 has 2 divisors, whose sum is σ = 135297318. Its totient is φ = 135297316.

The previous prime is 135297311. The next prime is 135297341. The reversal of 135297317 is 713792531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102131236 + 33166081 = 10106^2 + 5759^2 .

It is an emirp because it is prime and its reverse (713792531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135297317 - 2⁴ = 135297301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135297311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67648658 + 67648659.

It is an arithmetic number, because the mean of its divisors is an integer number (67648659).

Almost surely, 2^135297317 is an apocalyptic number.

It is an amenable number.

135297317 is a deficient number, since it is larger than the sum of its proper divisors (1).

135297317 is an equidigital number, since it uses as much as digits as its factorization.

135297317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39690, while the sum is 38.

The square root of 135297317 is about 11631.7374884408. The cubic root of 135297317 is about 513.3691041114.

The spelling of 135297317 in words is "one hundred thirty-five million, two hundred ninety-seven thousand, three hundred seventeen".