13927696128 has 108 divisors (see below), whose sum is σ = 40222302120. Its totient is φ = 4635015168.

The previous prime is 13927696099. The next prime is 13927696163. The reversal of 13927696128 is 82169672931.

13927696128 is a `hidden beast` number, since 13 + 9 + 2 + 7 + 6 + 9 + 612 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1513750 + ... + 1522922.

Almost surely, 2^13927696128 is an apocalyptic number.

13927696128 is a gapful number since it is divisible by the number (18) 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 13927696128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20111151060).

13927696128 is an abundant number, since it is smaller than the sum of its proper divisors (26294605992).

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

13927696128 is an equidigital number, since it uses as much as digits as its factorization.

13927696128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9854 (or 9837 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

It can be divided in two parts, 13927696 and 128, that added together give a square (13927824 = 3732²).

The spelling of 13927696128 in words is "thirteen billion, nine hundred twenty-seven million, six hundred ninety-six thousand, one hundred twenty-eight".