13156843284 has 192 divisors, whose sum is σ = 39151392000. Its totient is φ = 3834563328.

The previous prime is 13156843243. The next prime is 13156843313. The reversal of 13156843284 is 48234865131.

13156843284 is a `hidden beast` number, since 1 + 3 + 1 + 568 + 4 + 3 + 2 + 84 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2157712 + ... + 2163800.

It is an arithmetic number, because the mean of its divisors is an integer number (203913500).

Almost surely, 2^13156843284 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 13156843284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19575696000).

13156843284 is an abundant number, since it is smaller than the sum of its proper divisors (25994548716).

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

13156843284 is a wasteful number, since it uses less digits than its factorization.

13156843284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146 (or 6126 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The spelling of 13156843284 in words is "thirteen billion, one hundred fifty-six million, eight hundred forty-three thousand, two hundred eighty-four".