133333300 has 72 divisors (see below), whose sum is σ = 312480000. Its totient is φ = 49230720.

The previous prime is 133333297. The next prime is 133333307. The reversal of 133333300 is 3333331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133333307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65701 + ... + 67699.

It is an arithmetic number, because the mean of its divisors is an integer number (4340000).

Almost surely, 2^133333300 is an apocalyptic number.

133333300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133333300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156240000).

133333300 is an abundant number, since it is smaller than the sum of its proper divisors (179146700).

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

133333300 is a wasteful number, since it uses less digits than its factorization.

133333300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2058 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 19.

The square root of 133333300 is about 11547.0039404168. The cubic root of 133333300 is about 510.8729123563.

Adding to 133333300 its reverse (3333331), we get a palindrome (136666631).

The spelling of 133333300 in words is "one hundred thirty-three million, three hundred thirty-three thousand, three hundred".