135196517 has 2 divisors, whose sum is σ = 135196518. Its totient is φ = 135196516.

The previous prime is 135196499. The next prime is 135196541. The reversal of 135196517 is 715691531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120802081 + 14394436 = 10991^2 + 3794^2 .

It is a cyclic number.

It is not a de Polignac number, because 135196517 - 2¹⁰ = 135195493 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 (135196547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67598258 + 67598259.

It is an arithmetic number, because the mean of its divisors is an integer number (67598259).

Almost surely, 2^135196517 is an apocalyptic number.

It is an amenable number.

135196517 is a deficient number, since it is larger than the sum of its proper divisors (1).

135196517 is an equidigital number, since it uses as much as digits as its factorization.

135196517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 38.

The square root of 135196517 is about 11627.4037084811. The cubic root of 135196517 is about 513.2415813507.

The spelling of 135196517 in words is "one hundred thirty-five million, one hundred ninety-six thousand, five hundred seventeen".