133113996 has 24 divisors (see below), whose sum is σ = 345110640. Its totient is φ = 44371296.

The previous prime is 133113991. The next prime is 133114013. The reversal of 133113996 is 699311331.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 133113996.

It is not an unprimeable number, because it can be changed into a prime (133113991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616161 + ... + 616376.

It is an arithmetic number, because the mean of its divisors is an integer number (14379610).

Almost surely, 2^133113996 is an apocalyptic number.

It is an amenable number.

133113996 is an abundant number, since it is smaller than the sum of its proper divisors (211996644).

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

133113996 is a wasteful number, since it uses less digits than its factorization.

133113996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1232550 (or 1232542 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 133113996 is about 11537.5038894901. The cubic root of 133113996 is about 510.5926674000.

The spelling of 133113996 in words is "one hundred thirty-three million, one hundred thirteen thousand, nine hundred ninety-six".