133338712 has 32 divisors (see below), whose sum is σ = 270834480. Its totient is φ = 61176960.

The previous prime is 133338679. The next prime is 133338721. The reversal of 133338712 is 217833331.

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, 14287 + ... + 21697.

Almost surely, 2^133338712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133338712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135417240).

133338712 is an abundant number, since it is smaller than the sum of its proper divisors (137495768).

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

133338712 is a wasteful number, since it uses less digits than its factorization.

133338712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7603 (or 7599 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 133338712 is about 11547.2382845423. The cubic root of 133338712 is about 510.8798243750.

The spelling of 133338712 in words is "one hundred thirty-three million, three hundred thirty-eight thousand, seven hundred twelve".