133229900 has 36 divisors (see below), whose sum is σ = 304329480. Its totient is φ = 50486400.

The previous prime is 133229893. The next prime is 133229911. The reversal of 133229900 is 9922331.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33161 + ... + 36960.

Almost surely, 2^133229900 is an apocalyptic number.

133229900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133229900 is an abundant number, since it is smaller than the sum of its proper divisors (171099580).

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

133229900 is a wasteful number, since it uses less digits than its factorization.

133229900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70154 (or 70147 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 133229900 is about 11542.5257201360. The cubic root of 133229900 is about 510.7408175230.

The spelling of 133229900 in words is "one hundred thirty-three million, two hundred twenty-nine thousand, nine hundred".