133330775 has 24 divisors (see below), whose sum is σ = 172113984. Its totient is φ = 102377600.

The previous prime is 133330759. The next prime is 133330789. The reversal of 133330775 is 577033331.

It is not a de Polignac number, because 133330775 - 2⁴ = 133330759 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61205 + ... + 63345.

It is an arithmetic number, because the mean of its divisors is an integer number (7171416).

Almost surely, 2^133330775 is an apocalyptic number.

133330775 is a deficient number, since it is larger than the sum of its proper divisors (38783209).

133330775 is a wasteful number, since it uses less digits than its factorization.

133330775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251 (or 2246 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 32.

The square root of 133330775 is about 11546.8946041782. The cubic root of 133330775 is about 510.8696874499.

The spelling of 133330775 in words is "one hundred thirty-three million, three hundred thirty thousand, seven hundred seventy-five".