135226571 has 2 divisors, whose sum is σ = 135226572. Its totient is φ = 135226570.

The previous prime is 135226549. The next prime is 135226573. The reversal of 135226571 is 175622531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 135226571 - 2¹⁰ = 135225547 is a prime.

It is a Sophie Germain prime.

Together with 135226573, 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 (135226573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67613285 + 67613286.

It is an arithmetic number, because the mean of its divisors is an integer number (67613286).

Almost surely, 2^135226571 is an apocalyptic number.

135226571 is a deficient number, since it is larger than the sum of its proper divisors (1).

135226571 is an equidigital number, since it uses as much as digits as its factorization.

135226571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12600, while the sum is 32.

The square root of 135226571 is about 11628.6960146011. The cubic root of 135226571 is about 513.2796094992.

The spelling of 135226571 in words is "one hundred thirty-five million, two hundred twenty-six thousand, five hundred seventy-one".