13708007136 has 144 divisors (see below), whose sum is σ = 41112489600. Its totient is φ = 4491739008.

The previous prime is 13708007113. The next prime is 13708007167. The reversal of 13708007136 is 63170080731.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13708007136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 443845 + ... + 473723.

It is an arithmetic number, because the mean of its divisors is an integer number (285503400).

Almost surely, 2^13708007136 is an apocalyptic number.

13708007136 is a gapful number since it is divisible by the number (16) 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 13708007136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20556244800).

13708007136 is an abundant number, since it is smaller than the sum of its proper divisors (27404482464).

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

13708007136 is an equidigital number, since it uses as much as digits as its factorization.

13708007136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29963 (or 29943 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

Adding to 13708007136 its reverse (63170080731), we get a palindrome (76878087867).

The spelling of 13708007136 in words is "thirteen billion, seven hundred eight million, seven thousand, one hundred thirty-six".