135170311 has 2 divisors, whose sum is σ = 135170312. Its totient is φ = 135170310.

The previous prime is 135170293. The next prime is 135170353. The reversal of 135170311 is 113071531.

It is a weak prime.

It is an emirp because it is prime and its reverse (113071531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135170311 - 2⁵ = 135170279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135170611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67585155 + 67585156.

It is an arithmetic number, because the mean of its divisors is an integer number (67585156).

Almost surely, 2^135170311 is an apocalyptic number.

135170311 is a deficient number, since it is larger than the sum of its proper divisors (1).

135170311 is an equidigital number, since it uses as much as digits as its factorization.

135170311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 135170311 is about 11626.2767470932. The cubic root of 135170311 is about 513.2084175822.

The spelling of 135170311 in words is "one hundred thirty-five million, one hundred seventy thousand, three hundred eleven".