133301032320 has 128 divisors (see below), whose sum is σ = 425000609280. Its totient is φ = 35538278400.

The previous prime is 133301032303. The next prime is 133301032321. The reversal of 133301032320 is 23230103331.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133301032321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13417755 + ... + 13427685.

It is an arithmetic number, because the mean of its divisors is an integer number (3320317260).

Almost surely, 2^133301032320 is an apocalyptic number.

133301032320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133301032320 is an abundant number, since it is smaller than the sum of its proper divisors (291699576960).

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

133301032320 is an equidigital number, since it uses as much as digits as its factorization.

133301032320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944 (or 16932 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 133301032320 its reverse (23230103331), we get a palindrome (156531135651).

The spelling of 133301032320 in words is "one hundred thirty-three billion, three hundred one million, thirty-two thousand, three hundred twenty".