133985200 has 30 divisors (see below), whose sum is σ = 321900404. Its totient is φ = 53593920.

The previous prime is 133985197. The next prime is 133985221. The reversal of 133985200 is 2589331.

It is a happy 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 5 ways as a sum of consecutive naturals, for example, 167082 + ... + 167881.

Almost surely, 2^133985200 is an apocalyptic number.

133985200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133985200 is an abundant number, since it is smaller than the sum of its proper divisors (187915204).

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

133985200 is a wasteful number, since it uses less digits than its factorization.

133985200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334981 (or 334970 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 133985200 is about 11575.1976225030. The cubic root of 133985200 is about 511.7041544445.

The spelling of 133985200 in words is "one hundred thirty-three million, nine hundred eighty-five thousand, two hundred".