133113244434320 has 80 divisors (see below), whose sum is σ = 313883892561792. Its totient is φ = 52489791175680.

The previous prime is 133113244434263. The next prime is 133113244434337. The reversal of 133113244434320 is 23434442311331.

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

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, 6077069 + ... + 17411411.

Almost surely, 2^{133113244434320} is an apocalyptic number.

133113244434320 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 133113244434320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156941946280896).

133113244434320 is an abundant number, since it is smaller than the sum of its proper divisors (180770648127472).

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

133113244434320 is a wasteful number, since it uses less digits than its factorization.

133113244434320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336440 (or 11336434 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 38.

Adding to 133113244434320 its reverse (23434442311331), we get a palindrome (156547686745651).

The spelling of 133113244434320 in words is "one hundred thirty-three trillion, one hundred thirteen billion, two hundred forty-four million, four hundred thirty-four thousand, three hundred twenty".