133323300 has 216 divisors, whose sum is σ = 474657120. Its totient is φ = 31838400.

The previous prime is 133323293. The next prime is 133323329. The reversal of 133323300 is 3323331.

133323300 is a `hidden beast` number, since 1 + 3 + 332 + 330 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1989867 + ... + 1989933.

Almost surely, 2^133323300 is an apocalyptic number.

133323300 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 133323300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237328560).

133323300 is an abundant number, since it is smaller than the sum of its proper divisors (341333820).

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

133323300 is a wasteful number, since it uses less digits than its factorization.

133323300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 133323300 is about 11546.5709195414. The cubic root of 133323300 is about 510.8601402110.

Adding to 133323300 its reverse (3323331), we get a palindrome (136646631).

The spelling of 133323300 in words is "one hundred thirty-three million, three hundred twenty-three thousand, three hundred".