13678637742 has 96 divisors (see below), whose sum is σ = 37232642304. Its totient is φ = 3525724800.

The previous prime is 13678637729. The next prime is 13678637759. The reversal of 13678637742 is 24773687631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143898 + ... + 219234.

It is an arithmetic number, because the mean of its divisors is an integer number (387840024).

Almost surely, 2^13678637742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13678637742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18616321152).

13678637742 is an abundant number, since it is smaller than the sum of its proper divisors (23554004562).

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

13678637742 is a wasteful number, since it uses less digits than its factorization.

13678637742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75494 (or 75491 counting only the distinct ones).

The product of its digits is 7112448, while the sum is 54.

The spelling of 13678637742 in words is "thirteen billion, six hundred seventy-eight million, six hundred thirty-seven thousand, seven hundred forty-two".