135366171 has 16 divisors (see below), whose sum is σ = 187349760. Its totient is φ = 86834720.

The previous prime is 135366167. The next prime is 135366173. The reversal of 135366171 is 171663531.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 135366171 - 2² = 135366167 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135366173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24556 + ... + 29558.

It is an arithmetic number, because the mean of its divisors is an integer number (11709360).

Almost surely, 2^135366171 is an apocalyptic number.

135366171 is a deficient number, since it is larger than the sum of its proper divisors (51983589).

135366171 is a wasteful number, since it uses less digits than its factorization.

135366171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5346.

The product of its digits is 11340, while the sum is 33.

The square root of 135366171 is about 11634.6968589646. The cubic root of 135366171 is about 513.4561753669.

The spelling of 135366171 in words is "one hundred thirty-five million, three hundred sixty-six thousand, one hundred seventy-one".