135134557 has 2 divisors, whose sum is σ = 135134558. Its totient is φ = 135134556.

The previous prime is 135134521. The next prime is 135134561. The reversal of 135134557 is 755431531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71470116 + 63664441 = 8454^2 + 7979^2 .

It is a cyclic number.

It is not a de Polignac number, because 135134557 - 2⁷ = 135134429 is a prime.

It is a super-2 number, since 2×135134557² = 36522696991172498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135134567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67567278 + 67567279.

It is an arithmetic number, because the mean of its divisors is an integer number (67567279).

Almost surely, 2^135134557 is an apocalyptic number.

It is an amenable number.

135134557 is a deficient number, since it is larger than the sum of its proper divisors (1).

135134557 is an equidigital number, since it uses as much as digits as its factorization.

135134557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 135134557 is about 11624.7390078229. The cubic root of 135134557 is about 513.1631638778.

The spelling of 135134557 in words is "one hundred thirty-five million, one hundred thirty-four thousand, five hundred fifty-seven".