133294146 has 8 divisors (see below), whose sum is σ = 266588304. Its totient is φ = 44431380.

The previous prime is 133294129. The next prime is 133294153. The reversal of 133294146 is 641492331.

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

133294146 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11107840 + ... + 11107851.

It is an arithmetic number, because the mean of its divisors is an integer number (33323538).

Almost surely, 2^133294146 is an apocalyptic number.

133294146 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.

133294146 is a wasteful number, since it uses less digits than its factorization.

133294146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22215696.

The product of its digits is 15552, while the sum is 33.

The square root of 133294146 is about 11545.3083977865. The cubic root of 133294146 is about 510.8229006530.

The spelling of 133294146 in words is "one hundred thirty-three million, two hundred ninety-four thousand, one hundred forty-six".