13913517156 has 96 divisors (see below), whose sum is σ = 40522567680. Its totient is φ = 3609715200.

The previous prime is 13913517097. The next prime is 13913517161. The reversal of 13913517156 is 65171531931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 833500 + ... + 850028.

It is an arithmetic number, because the mean of its divisors is an integer number (422110080).

Almost surely, 2^13913517156 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 13913517156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20261283840).

13913517156 is an abundant number, since it is smaller than the sum of its proper divisors (26609050524).

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

13913517156 is a wasteful number, since it uses less digits than its factorization.

13913517156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17465 (or 17463 counting only the distinct ones).

The product of its digits is 85050, while the sum is 42.

The spelling of 13913517156 in words is "thirteen billion, nine hundred thirteen million, five hundred seventeen thousand, one hundred fifty-six".