133197700 has 36 divisors (see below), whose sum is σ = 298369792. Its totient is φ = 51559200.

The previous prime is 133197683. The next prime is 133197707. The reversal of 133197700 is 7791331.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (133197707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18384 + ... + 24583.

Almost surely, 2^133197700 is an apocalyptic number.

133197700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133197700 is an abundant number, since it is smaller than the sum of its proper divisors (165172092).

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

133197700 is a wasteful number, since it uses less digits than its factorization.

133197700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43012 (or 43005 counting only the distinct ones).

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 133197700 is about 11541.1307938174. The cubic root of 133197700 is about 510.6996676525.

The spelling of 133197700 in words is "one hundred thirty-three million, one hundred ninety-seven thousand, seven hundred".