133124312 has 16 divisors (see below), whose sum is σ = 250500600. Its totient is φ = 66324160.

The previous prime is 133124311. The next prime is 133124347. The reversal of 133124312 is 213421331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133124311) 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, 27362 + ... + 31857.

Almost surely, 2^133124312 is an apocalyptic number.

It is an amenable number.

133124312 is a deficient number, since it is larger than the sum of its proper divisors (117376288).

133124312 is a wasteful number, since it uses less digits than its factorization.

133124312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59506 (or 59502 counting only the distinct ones).

The product of its digits is 432, while the sum is 20.

The square root of 133124312 is about 11537.9509446002. The cubic root of 133124312 is about 510.6058569419.

Adding to 133124312 its reverse (213421331), we get a palindrome (346545643).

The spelling of 133124312 in words is "one hundred thirty-three million, one hundred twenty-four thousand, three hundred twelve".