133252412 has 6 divisors (see below), whose sum is σ = 233191728. Its totient is φ = 66626204.

The previous prime is 133252397. The next prime is 133252451. The reversal of 133252412 is 214252331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16656548 + ... + 16656555.

It is an arithmetic number, because the mean of its divisors is an integer number (38865288).

Almost surely, 2^133252412 is an apocalyptic number.

It is an amenable number.

133252412 is a deficient number, since it is larger than the sum of its proper divisors (99939316).

133252412 is a wasteful number, since it uses less digits than its factorization.

133252412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33313107 (or 33313105 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 133252412 is about 11543.5008554598. The cubic root of 133252412 is about 510.7695827120.

The spelling of 133252412 in words is "one hundred thirty-three million, two hundred fifty-two thousand, four hundred twelve".