133885974 has 8 divisors (see below), whose sum is σ = 267771960. Its totient is φ = 44628656.

The previous prime is 133885937. The next prime is 133885979. The reversal of 133885974 is 479588331.

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

133885974 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133885979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11157159 + ... + 11157170.

It is an arithmetic number, because the mean of its divisors is an integer number (33471495).

Almost surely, 2^133885974 is an apocalyptic number.

133885974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133885974 is a wasteful number, since it uses less digits than its factorization.

133885974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22314334.

The product of its digits is 725760, while the sum is 48.

The square root of 133885974 is about 11570.9106815324. The cubic root of 133885974 is about 511.5778049282.

The spelling of 133885974 in words is "one hundred thirty-three million, eight hundred eighty-five thousand, nine hundred seventy-four".