133233360 has 80 divisors (see below), whose sum is σ = 444804864. Its totient is φ = 32795136.

The previous prime is 133233349. The next prime is 133233379. The reversal of 133233360 is 63332331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×133233360² = 35502256433779200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 133233360.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18232 + ... + 24471.

Almost surely, 2^133233360 is an apocalyptic number.

133233360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133233360 is an abundant number, since it is smaller than the sum of its proper divisors (311571504).

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

133233360 is a wasteful number, since it uses less digits than its factorization.

133233360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42732 (or 42726 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 24.

The square root of 133233360 is about 11542.6755997039. The cubic root of 133233360 is about 510.7452388227.

Adding to 133233360 its reverse (63332331), we get a palindrome (196565691).

The spelling of 133233360 in words is "one hundred thirty-three million, two hundred thirty-three thousand, three hundred sixty".