133225252 has 36 divisors (see below), whose sum is σ = 242415936. Its totient is φ = 64049440.

The previous prime is 133225249. The next prime is 133225289. The reversal of 133225252 is 252522331.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797673 + ... + 797839.

It is an arithmetic number, because the mean of its divisors is an integer number (6733776).

Almost surely, 2^133225252 is an apocalyptic number.

It is an amenable number.

133225252 is a deficient number, since it is larger than the sum of its proper divisors (109190684).

133225252 is a wasteful number, since it uses less digits than its factorization.

133225252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 293 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 133225252 is about 11542.3243759652. The cubic root of 133225252 is about 510.7348780381.

Adding to 133225252 its reverse (252522331), we get a palindrome (385747583).

The spelling of 133225252 in words is "one hundred thirty-three million, two hundred twenty-five thousand, two hundred fifty-two".