13156270326 has 48 divisors (see below), whose sum is σ = 29618362800. Its totient is φ = 4215511104.

The previous prime is 13156270271. The next prime is 13156270331. The reversal of 13156270326 is 62307265131.

13156270326 is a `hidden beast` number, since 1 + 3 + 1 + 5 + 627 + 0 + 3 + 26 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62980 + ... + 174008.

It is an arithmetic number, because the mean of its divisors is an integer number (617049225).

Almost surely, 2^13156270326 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13156270326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14809181400).

13156270326 is an abundant number, since it is smaller than the sum of its proper divisors (16462092474).

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

13156270326 is a wasteful number, since it uses less digits than its factorization.

13156270326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111293 (or 111290 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 13156270326 in words is "thirteen billion, one hundred fifty-six million, two hundred seventy thousand, three hundred twenty-six".