133089400 has 24 divisors (see below), whose sum is σ = 309433320. Its totient is φ = 53235680.

The previous prime is 133089389. The next prime is 133089449. The reversal of 133089400 is 4980331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 332524 + ... + 332923.

It is an arithmetic number, because the mean of its divisors is an integer number (12893055).

Almost surely, 2^133089400 is an apocalyptic number.

133089400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133089400 is an abundant number, since it is smaller than the sum of its proper divisors (176343920).

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

133089400 is a wasteful number, since it uses less digits than its factorization.

133089400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665463 (or 665454 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 133089400 is about 11536.4379251136. The cubic root of 133089400 is about 510.5612173867.

The spelling of 133089400 in words is "one hundred thirty-three million, eighty-nine thousand, four hundred".