133442200 has 24 divisors (see below), whose sum is σ = 310253580. Its totient is φ = 53376800.

The previous prime is 133442191. The next prime is 133442207. The reversal of 133442200 is 2244331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133442207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 333406 + ... + 333805.

Almost surely, 2^133442200 is an apocalyptic number.

133442200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133442200 is an abundant number, since it is smaller than the sum of its proper divisors (176811380).

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

133442200 is a wasteful number, since it uses less digits than its factorization.

133442200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667227 (or 667218 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 133442200 is about 11551.7184868746. The cubic root of 133442200 is about 511.0119596927.

Adding to 133442200 its reverse (2244331), we get a palindrome (135686531).

It can be divided in two parts, 1334 and 42200, that added together give a palindrome (43534).

The spelling of 133442200 in words is "one hundred thirty-three million, four hundred forty-two thousand, two hundred".