13333333128 has 64 divisors (see below), whose sum is σ = 34797634560. Its totient is φ = 4249371456.

The previous prime is 13333333067. The next prime is 13333333129. The reversal of 13333333128 is 82133333331.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (13333333129) 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, 1910301 + ... + 1917267.

It is an arithmetic number, because the mean of its divisors is an integer number (543713040).

Almost surely, 2^13333333128 is an apocalyptic number.

It is an amenable number.

13333333128 is an abundant number, since it is smaller than the sum of its proper divisors (21464301432).

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

13333333128 is a wasteful number, since it uses less digits than its factorization.

13333333128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10466 (or 10462 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

Adding to 13333333128 its reverse (82133333331), we get a palindrome (95466666459).

The spelling of 13333333128 in words is "thirteen billion, three hundred thirty-three million, three hundred thirty-three thousand, one hundred twenty-eight".