13999008000 has 144 divisors (see below), whose sum is σ = 46498023936. Its totient is φ = 3733043200.

The previous prime is 13999007999. The next prime is 13999008011. The reversal of 13999008000 is 80099931.

It is a self number, because there is not a number n which added to its sum of digits gives 13999008000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23089 + ... + 168911.

It is an arithmetic number, because the mean of its divisors is an integer number (322902944).

Almost surely, 2^13999008000 is an apocalyptic number.

13999008000 is a gapful number since it is divisible by the number (10) 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 13999008000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23249011968).

13999008000 is an abundant number, since it is smaller than the sum of its proper divisors (32499015936).

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

13999008000 is an equidigital number, since it uses as much as digits as its factorization.

13999008000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145857 (or 145833 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 13999008000 in words is "thirteen billion, nine hundred ninety-nine million, eight thousand".