13358504128 has 56 divisors (see below), whose sum is σ = 27671207040. Its totient is φ = 6391080960.

The previous prime is 13358504123. The next prime is 13358504149. The reversal of 13358504128 is 82140585331.

It is not an unprimeable number, because it can be changed into a prime (13358504123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138750 + ... + 214402.

Almost surely, 2^13358504128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13358504128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13835603520).

13358504128 is an abundant number, since it is smaller than the sum of its proper divisors (14312702912).

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

13358504128 is an equidigital number, since it uses as much as digits as its factorization.

13358504128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75785 (or 75775 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 13358504128 in words is "thirteen billion, three hundred fifty-eight million, five hundred four thousand, one hundred twenty-eight".