133333320000 has 280 divisors, whose sum is σ = 442770768000. Its totient is φ = 35399168000.

The previous prime is 133333319957. The next prime is 133333320017. The reversal of 133333320000 is 23333331.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 28677676 + ... + 28682324.

Almost surely, 2^133333320000 is an apocalyptic number.

133333320000 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 133333320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221385384000).

133333320000 is an abundant number, since it is smaller than the sum of its proper divisors (309437448000).

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

133333320000 is an equidigital number, since it uses as much as digits as its factorization.

133333320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4923 (or 4898 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 21.

Adding to 133333320000 its reverse (23333331), we get a palindrome (133356653331).

It can be divided in two parts, 13333 and 3320000, that added together give a palindrome (3333333).

The spelling of 133333320000 in words is "one hundred thirty-three billion, three hundred thirty-three million, three hundred twenty thousand".