135799577 has 2 divisors, whose sum is σ = 135799578. Its totient is φ = 135799576.

The previous prime is 135799523. The next prime is 135799579. The reversal of 135799577 is 775997531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124902976 + 10896601 = 11176^2 + 3301^2 .

It is a cyclic number.

It is not a de Polignac number, because 135799577 - 2⁶ = 135799513 is a prime.

It is a super-2 number, since 2×135799577² = 36883050226757858, which contains 22 as substring.

Together with 135799579, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (135799579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67899788 + 67899789.

It is an arithmetic number, because the mean of its divisors is an integer number (67899789).

Almost surely, 2^135799577 is an apocalyptic number.

It is an amenable number.

135799577 is a deficient number, since it is larger than the sum of its proper divisors (1).

135799577 is an equidigital number, since it uses as much as digits as its factorization.

135799577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2083725, while the sum is 53.

The square root of 135799577 is about 11653.3075562263. The cubic root of 135799577 is about 514.0035743416.

The spelling of 135799577 in words is "one hundred thirty-five million, seven hundred ninety-nine thousand, five hundred seventy-seven".