133312200 has 96 divisors (see below), whose sum is σ = 472320960. Its totient is φ = 30470400.

The previous prime is 133312199. The next prime is 133312213. The reversal of 133312200 is 2213331.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 133312200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11671 + ... + 20070.

It is an arithmetic number, because the mean of its divisors is an integer number (4920010).

Almost surely, 2^133312200 is an apocalyptic number.

133312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133312200 is an abundant number, since it is smaller than the sum of its proper divisors (339008760).

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

133312200 is a wasteful number, since it uses less digits than its factorization.

133312200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31767 (or 31758 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 133312200 is about 11546.0902473521. The cubic root of 133312200 is about 510.8459623818.

Adding to 133312200 its reverse (2213331), we get a palindrome (135525531).

The spelling of 133312200 in words is "one hundred thirty-three million, three hundred twelve thousand, two hundred".