133033300 has 36 divisors (see below), whose sum is σ = 289223676. Its totient is φ = 53113600.

The previous prime is 133033297. The next prime is 133033319. The reversal of 133033300 is 3330331.

It can be written as a sum of positive squares in 6 ways, for example, as 10355524 + 122677776 = 3218^2 + 11076^2 .

It is a congruent number.

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, 76440 + ... + 78160.

It is an arithmetic number, because the mean of its divisors is an integer number (8033991).

Almost surely, 2^133033300 is an apocalyptic number.

133033300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133033300 is an abundant number, since it is smaller than the sum of its proper divisors (156190376).

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

133033300 is a wasteful number, since it uses less digits than its factorization.

133033300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508 (or 2501 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 16.

The square root of 133033300 is about 11534.0062424120. The cubic root of 133033300 is about 510.4894698503.

Adding to 133033300 its reverse (3330331), we get a palindrome (136363631).

The spelling of 133033300 in words is "one hundred thirty-three million, thirty-three thousand, three hundred".