133183375 has 32 divisors (see below), whose sum is σ = 183456000. Its totient is φ = 95904000.

The previous prime is 133183367. The next prime is 133183417. The reversal of 133183375 is 573381331.

It is a happy number.

It is not a de Polignac number, because 133183375 - 2³ = 133183367 is a prime.

It is a super-2 number, since 2×133183375² = 35475622752781250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133183375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65626 + ... + 67624.

It is an arithmetic number, because the mean of its divisors is an integer number (5733000).

Almost surely, 2^133183375 is an apocalyptic number.

133183375 is a deficient number, since it is larger than the sum of its proper divisors (50272625).

133183375 is a wasteful number, since it uses less digits than its factorization.

133183375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068 (or 2058 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 133183375 is about 11540.5101706987. The cubic root of 133183375 is about 510.6813589404.

The spelling of 133183375 in words is "one hundred thirty-three million, one hundred eighty-three thousand, three hundred seventy-five".