133913200 has 30 divisors (see below), whose sum is σ = 321727424. Its totient is φ = 53565120.

The previous prime is 133913183. The next prime is 133913201. The reversal of 133913200 is 2319331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133913201) by changing a digit.

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, 166992 + ... + 167791.

Almost surely, 2^133913200 is an apocalyptic number.

133913200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133913200 is an abundant number, since it is smaller than the sum of its proper divisors (187814224).

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

133913200 is a wasteful number, since it uses less digits than its factorization.

133913200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334801 (or 334790 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 133913200 is about 11572.0871064817. The cubic root of 133913200 is about 511.6124793926.

The spelling of 133913200 in words is "one hundred thirty-three million, nine hundred thirteen thousand, two hundred".