135276571 has 2 divisors, whose sum is σ = 135276572. Its totient is φ = 135276570.

The previous prime is 135276563. The next prime is 135276587. The reversal of 135276571 is 175672531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135276571 - 2³ = 135276563 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 135276571.

It is not a weakly prime, because it can be changed into another prime (135276541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67638285 + 67638286.

It is an arithmetic number, because the mean of its divisors is an integer number (67638286).

Almost surely, 2^135276571 is an apocalyptic number.

135276571 is a deficient number, since it is larger than the sum of its proper divisors (1).

135276571 is an equidigital number, since it uses as much as digits as its factorization.

135276571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44100, while the sum is 37.

The square root of 135276571 is about 11630.8456700276. The cubic root of 135276571 is about 513.3428633845.

The spelling of 135276571 in words is "one hundred thirty-five million, two hundred seventy-six thousand, five hundred seventy-one".