133089500 has 96 divisors (see below), whose sum is σ = 309464064. Its totient is φ = 49896000.

The previous prime is 133089461. The next prime is 133089511. The reversal of 133089500 is 5980331.

133089500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with 176374564 it forms an amicable pair .

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 31 ways as a sum of consecutive naturals, for example, 816419 + ... + 816581.

It is an arithmetic number, because the mean of its divisors is an integer number (3223584).

Almost surely, 2^133089500 is an apocalyptic number.

133089500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133089500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154732032).

133089500 is an abundant number, since it is smaller than the sum of its proper divisors (176374564).

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

133089500 is a wasteful number, since it uses less digits than its factorization.

133089500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 133089500 is about 11536.4422592063. The cubic root of 133089500 is about 510.5613452609.

The spelling of 133089500 in words is "one hundred thirty-three million, eighty-nine thousand, five hundred".