133232252 has 12 divisors (see below), whose sum is σ = 233237256. Its totient is φ = 66593040.

The previous prime is 133232249. The next prime is 133232257. The reversal of 133232252 is 252232331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133232257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19802 + ... + 25662.

It is an arithmetic number, because the mean of its divisors is an integer number (19436438).

Almost surely, 2^133232252 is an apocalyptic number.

It is an amenable number.

133232252 is a deficient number, since it is larger than the sum of its proper divisors (100005004).

133232252 is a wasteful number, since it uses less digits than its factorization.

133232252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548 (or 11546 counting only the distinct ones).

The product of its digits is 2160, while the sum is 23.

The square root of 133232252 is about 11542.6276037998. The cubic root of 133232252 is about 510.7438229928.

Adding to 133232252 its reverse (252232331), we get a palindrome (385464583).

The spelling of 133232252 in words is "one hundred thirty-three million, two hundred thirty-two thousand, two hundred fifty-two".