13274345136 has 160 divisors (see below), whose sum is σ = 38947229440. Its totient is φ = 3862121472.

The previous prime is 13274345113. The next prime is 13274345167. The reversal of 13274345136 is 63154347231.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 13274345094 and 13274345103.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11819871 + ... + 11820993.

It is an arithmetic number, because the mean of its divisors is an integer number (243420184).

Almost surely, 2^13274345136 is an apocalyptic number.

13274345136 is a gapful number since it is divisible by the number (16) 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 13274345136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19473614720).

13274345136 is an abundant number, since it is smaller than the sum of its proper divisors (25672884304).

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

13274345136 is a wasteful number, since it uses less digits than its factorization.

13274345136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163 (or 2157 counting only the distinct ones).

The product of its digits is 181440, while the sum is 39.

The spelling of 13274345136 in words is "thirteen billion, two hundred seventy-four million, three hundred forty-five thousand, one hundred thirty-six".