133287300 has 216 divisors, whose sum is σ = 448471296. Its totient is φ = 33031680.

The previous prime is 133287289. The next prime is 133287307. The reversal of 133287300 is 3782331.

It is not an unprimeable number, because it can be changed into a prime (133287307) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 972832 + ... + 972968.

It is an arithmetic number, because the mean of its divisors is an integer number (2076256).

Almost surely, 2^133287300 is an apocalyptic number.

133287300 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 133287300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224235648).

133287300 is an abundant number, since it is smaller than the sum of its proper divisors (315183996).

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

133287300 is a wasteful number, since it uses less digits than its factorization.

133287300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 133287300 is about 11545.0119099116. The cubic root of 133287300 is about 510.8141551991.

The spelling of 133287300 in words is "one hundred thirty-three million, two hundred eighty-seven thousand, three hundred".