133603980 has 24 divisors (see below), whose sum is σ = 374091312. Its totient is φ = 35627712.

The previous prime is 133603973. The next prime is 133603993. The reversal of 133603980 is 89306331.

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, 1113307 + ... + 1113426.

It is an arithmetic number, because the mean of its divisors is an integer number (15587138).

Almost surely, 2^133603980 is an apocalyptic number.

133603980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133603980 is an abundant number, since it is smaller than the sum of its proper divisors (240487332).

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

133603980 is a wasteful number, since it uses less digits than its factorization.

133603980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226745 (or 2226743 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 133603980 is about 11558.7187871321. The cubic root of 133603980 is about 511.2183864655.

The spelling of 133603980 in words is "one hundred thirty-three million, six hundred three thousand, nine hundred eighty".