133575652 has 24 divisors (see below), whose sum is σ = 275770880. Its totient is φ = 55399680.

The previous prime is 133575641. The next prime is 133575667. The reversal of 133575652 is 256575331.

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 7 ways as a sum of consecutive naturals, for example, 76077 + ... + 77812.

Almost surely, 2^133575652 is an apocalyptic number.

It is an amenable number.

133575652 is an abundant number, since it is smaller than the sum of its proper divisors (142195228).

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

133575652 is a wasteful number, since it uses less digits than its factorization.

133575652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153931 (or 153929 counting only the distinct ones).

The product of its digits is 94500, while the sum is 37.

The square root of 133575652 is about 11557.4933268421. The cubic root of 133575652 is about 511.1822527662.

The spelling of 133575652 in words is "one hundred thirty-three million, five hundred seventy-five thousand, six hundred fifty-two".