133203984 has 40 divisors (see below), whose sum is σ = 362223840. Its totient is φ = 42064128.

The previous prime is 133203949. The next prime is 133204009. The reversal of 133203984 is 489302331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72117 + ... + 73940.

It is an arithmetic number, because the mean of its divisors is an integer number (9055596).

Almost surely, 2^133203984 is an apocalyptic number.

It is an amenable number.

133203984 is an abundant number, since it is smaller than the sum of its proper divisors (229019856).

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

133203984 is a wasteful number, since it uses less digits than its factorization.

133203984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146087 (or 146081 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 133203984 is about 11541.4030342935. The cubic root of 133203984 is about 510.7076987877.

The spelling of 133203984 in words is "one hundred thirty-three million, two hundred three thousand, nine hundred eighty-four".