133309996 has 6 divisors (see below), whose sum is σ = 233292500. Its totient is φ = 66654996.

The previous prime is 133309993. The next prime is 133309997. The reversal of 133309996 is 699903331.

It is not an unprimeable number, because it can be changed into a prime (133309991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16663746 + ... + 16663753.

Almost surely, 2^133309996 is an apocalyptic number.

It is an amenable number.

133309996 is a deficient number, since it is larger than the sum of its proper divisors (99982504).

133309996 is a wasteful number, since it uses less digits than its factorization.

133309996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33327503 (or 33327501 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 43.

The square root of 133309996 is about 11545.9948033939. The cubic root of 133309996 is about 510.8431471588.

The spelling of 133309996 in words is "one hundred thirty-three million, three hundred nine thousand, nine hundred ninety-six".