133959996 has 36 divisors (see below), whose sum is σ = 339087112. Its totient is φ = 44591904.

The previous prime is 133959979. The next prime is 133960033. The reversal of 133959996 is 699959331.

It is a happy number.

133959996 is a `hidden beast` number, since 13 + 39 + 599 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29451 + ... + 33693.

Almost surely, 2^133959996 is an apocalyptic number.

It is an amenable number.

133959996 is an abundant number, since it is smaller than the sum of its proper divisors (205127116).

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

133959996 is a wasteful number, since it uses less digits than its factorization.

133959996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130 (or 5125 counting only the distinct ones).

The product of its digits is 1771470, while the sum is 54.

The square root of 133959996 is about 11574.1088641847. The cubic root of 133959996 is about 511.6720668202.

The spelling of 133959996 in words is "one hundred thirty-three million, nine hundred fifty-nine thousand, nine hundred ninety-six".