133170685 has 8 divisors (see below), whose sum is σ = 160510176. Its totient is φ = 106066320.

The previous prime is 133170679. The next prime is 133170701. The reversal of 133170685 is 586071331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-133170685 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133170685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57531 + ... + 59800.

It is an arithmetic number, because the mean of its divisors is an integer number (20063772).

Almost surely, 2^133170685 is an apocalyptic number.

It is an amenable number.

133170685 is a deficient number, since it is larger than the sum of its proper divisors (27339491).

133170685 is a wasteful number, since it uses less digits than its factorization.

133170685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117563.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 133170685 is about 11539.9603552179. The cubic root of 133170685 is about 510.6651388171.

The spelling of 133170685 in words is "one hundred thirty-three million, one hundred seventy thousand, six hundred eighty-five".