133790252 has 12 divisors (see below), whose sum is σ = 234381840. Its totient is φ = 66824016.

The previous prime is 133790233. The next prime is 133790269. The reversal of 133790252 is 252097331.

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 3 ways as a sum of consecutive naturals, for example, 13427 + ... + 21162.

It is an arithmetic number, because the mean of its divisors is an integer number (19531820).

Almost surely, 2^133790252 is an apocalyptic number.

It is an amenable number.

133790252 is a deficient number, since it is larger than the sum of its proper divisors (100591588).

133790252 is a wasteful number, since it uses less digits than its factorization.

133790252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35560 (or 35558 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 133790252 is about 11566.7736210233. The cubic root of 133790252 is about 511.4558580604.

The spelling of 133790252 in words is "one hundred thirty-three million, seven hundred ninety thousand, two hundred fifty-two".