13443360128 has 32 divisors (see below), whose sum is σ = 29216396520. Its totient is φ = 6110617600.

The previous prime is 13443360101. The next prime is 13443360167. The reversal of 13443360128 is 82106334431.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13443360128² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4772513 + ... + 4775328.

Almost surely, 2^13443360128 is an apocalyptic number.

It is an amenable number.

13443360128 is an abundant number, since it is smaller than the sum of its proper divisors (15773036392).

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

13443360128 is an equidigital number, since it uses as much as digits as its factorization.

13443360128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9547866 (or 9547854 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

Adding to 13443360128 its reverse (82106334431), we get a palindrome (95549694559).

The spelling of 13443360128 in words is "thirteen billion, four hundred forty-three million, three hundred sixty thousand, one hundred twenty-eight".