133335996 has 48 divisors (see below), whose sum is σ = 332895360. Its totient is φ = 41411520.

The previous prime is 133335989. The next prime is 133336001. The reversal of 133335996 is 699533331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9115 + ... + 18701.

It is an arithmetic number, because the mean of its divisors is an integer number (6935320).

Almost surely, 2^133335996 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 133335996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166447680).

133335996 is an abundant number, since it is smaller than the sum of its proper divisors (199559364).

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

133335996 is a wasteful number, since it uses less digits than its factorization.

133335996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9674 (or 9672 counting only the distinct ones).

The product of its digits is 196830, while the sum is 42.

The square root of 133335996 is about 11547.1206800657. The cubic root of 133335996 is about 510.8763556174.

The spelling of 133335996 in words is "one hundred thirty-three million, three hundred thirty-five thousand, nine hundred ninety-six".