133447612 has 12 divisors (see below), whose sum is σ = 234286416. Its totient is φ = 66508640.

The previous prime is 133447571. The next prime is 133447627. The reversal of 133447612 is 216744331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52393 + ... + 54880.

It is an arithmetic number, because the mean of its divisors is an integer number (19523868).

Almost surely, 2^133447612 is an apocalyptic number.

It is an amenable number.

133447612 is a deficient number, since it is larger than the sum of its proper divisors (100838804).

133447612 is a wasteful number, since it uses less digits than its factorization.

133447612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107588 (or 107586 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 133447612 is about 11551.9527353604. The cubic root of 133447612 is about 511.0188679504.

The spelling of 133447612 in words is "one hundred thirty-three million, four hundred forty-seven thousand, six hundred twelve".