13185428574 has 32 divisors (see below), whose sum is σ = 26452348416. Its totient is φ = 4381581600.

The previous prime is 13185428573. The next prime is 13185428591. The reversal of 13185428574 is 47582458131.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13185428573) 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, 3992724 + ... + 3996024.

It is an arithmetic number, because the mean of its divisors is an integer number (826635888).

Almost surely, 2^13185428574 is an apocalyptic number.

13185428574 is an abundant number, since it is smaller than the sum of its proper divisors (13266919842).

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

13185428574 is a wasteful number, since it uses less digits than its factorization.

13185428574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its digits is 1075200, while the sum is 48.

The spelling of 13185428574 in words is "thirteen billion, one hundred eighty-five million, four hundred twenty-eight thousand, five hundred seventy-four".