133200452 has 48 divisors (see below), whose sum is σ = 303270912. Its totient is φ = 49637280.

The previous prime is 133200449. The next prime is 133200467. The reversal of 133200452 is 254002331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318 + ... + 16485.

It is an arithmetic number, because the mean of its divisors is an integer number (6318144).

Almost surely, 2^133200452 is an apocalyptic number.

It is an amenable number.

133200452 is an abundant number, since it is smaller than the sum of its proper divisors (170070460).

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

133200452 is a wasteful number, since it uses less digits than its factorization.

133200452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18848 (or 18846 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 133200452 is about 11541.2500189538. The cubic root of 133200452 is about 510.7031848198.

Adding to 133200452 its reverse (254002331), we get a palindrome (387202783).

The spelling of 133200452 in words is "one hundred thirty-three million, two hundred thousand, four hundred fifty-two".