133309708 has 12 divisors (see below), whose sum is σ = 266619472. Its totient is φ = 57132720.

The previous prime is 133309667. The next prime is 133309711. The reversal of 133309708 is 807903331.

133309708 is an admirable number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2380503 + ... + 2380558.

Almost surely, 2^133309708 is an apocalyptic number.

It is an amenable number.

133309708 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

133309708 is a wasteful number, since it uses less digits than its factorization.

133309708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761072 (or 4761070 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 133309708 is about 11545.9823315299. The cubic root of 133309708 is about 510.8427792871.

The spelling of 133309708 in words is "one hundred thirty-three million, three hundred nine thousand, seven hundred eight".