135270517 has 2 divisors, whose sum is σ = 135270518. Its totient is φ = 135270516.

The previous prime is 135270497. The next prime is 135270523. The reversal of 135270517 is 715072531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118940836 + 16329681 = 10906^2 + 4041^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135270517 is a prime.

It is a super-2 number, since 2×135270517² = 36596225538894578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135270617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67635258 + 67635259.

It is an arithmetic number, because the mean of its divisors is an integer number (67635259).

Almost surely, 2^135270517 is an apocalyptic number.

It is an amenable number.

135270517 is a deficient number, since it is larger than the sum of its proper divisors (1).

135270517 is an equidigital number, since it uses as much as digits as its factorization.

135270517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 135270517 is about 11630.5854108897. The cubic root of 135270517 is about 513.3352054335.

The spelling of 135270517 in words is "one hundred thirty-five million, two hundred seventy thousand, five hundred seventeen".