133830691200 has 1152 divisors, whose sum is σ = 531401925600. Its totient is φ = 31929139200.

The previous prime is 133830691187. The next prime is 133830691231. The reversal of 133830691200 is 2196038331.

133830691200 is a `hidden beast` number, since 1 + 338 + 30 + 6 + 91 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 143 ways as a sum of consecutive naturals, for example, 1184342344 + ... + 1184342456.

Almost surely, 2^133830691200 is an apocalyptic number.

133830691200 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 133830691200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265700962800).

133830691200 is an abundant number, since it is smaller than the sum of its proper divisors (397571234400).

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

133830691200 is a wasteful number, since it uses less digits than its factorization.

133830691200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 133830691200 in words is "one hundred thirty-three billion, eight hundred thirty million, six hundred ninety-one thousand, two hundred".