133357212 has 24 divisors (see below), whose sum is σ = 345741200. Its totient is φ = 44452368.

The previous prime is 133357207. The next prime is 133357229. The reversal of 133357212 is 212753331.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617287 + ... + 617502.

Almost surely, 2^133357212 is an apocalyptic number.

133357212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133357212 is an abundant number, since it is smaller than the sum of its proper divisors (212383988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133357212 is a wasteful number, since it uses less digits than its factorization.

133357212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234802 (or 1234794 counting only the distinct ones).

The product of its digits is 3780, while the sum is 27.

The square root of 133357212 is about 11548.0393141000. The cubic root of 133357212 is about 510.9034505211.

The spelling of 133357212 in words is "one hundred thirty-three million, three hundred fifty-seven thousand, two hundred twelve".