13747117338 has 80 divisors (see below), whose sum is σ = 31983215616. Its totient is φ = 4408642080.

The previous prime is 13747117211. The next prime is 13747117339. The reversal of 13747117338 is 83371174731.

13747117338 is a `hidden beast` number, since 1 + 3 + 7 + 471 + 173 + 3 + 8 = 666.

13747117338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13747117293 and 13747117302.

It is not an unprimeable number, because it can be changed into a prime (13747117339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 860895 + ... + 876717.

Almost surely, 2^13747117338 is an apocalyptic number.

13747117338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13747117338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15991607808).

13747117338 is an abundant number, since it is smaller than the sum of its proper divisors (18236098278).

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

13747117338 is a wasteful number, since it uses less digits than its factorization.

13747117338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16041 (or 16032 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The spelling of 13747117338 in words is "thirteen billion, seven hundred forty-seven million, one hundred seventeen thousand, three hundred thirty-eight".