133297900 has 18 divisors (see below), whose sum is σ = 289256660. Its totient is φ = 53319120.

The previous prime is 133297889. The next prime is 133297919. The reversal of 133297900 is 9792331.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 666390 + ... + 666589.

Almost surely, 2^133297900 is an apocalyptic number.

133297900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133297900 is an abundant number, since it is smaller than the sum of its proper divisors (155958760).

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

133297900 is a wasteful number, since it uses less digits than its factorization.

133297900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332993 (or 1332986 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 133297900 is about 11545.4709735030. The cubic root of 133297900 is about 510.8276960904.

The spelling of 133297900 in words is "one hundred thirty-three million, two hundred ninety-seven thousand, nine hundred".