13987636000 has 96 divisors (see below), whose sum is σ = 37011422448. Its totient is φ = 5164646400.

The previous prime is 13987635983. The next prime is 13987636027. The reversal of 13987636000 is 63678931.

It can be written as a sum of positive squares in 8 ways, for example, as 602997136 + 13384638864 = 24556^2 + 115692^2 .

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, 82497 + ... + 186496.

Almost surely, 2^13987636000 is an apocalyptic number.

13987636000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13987636000 is an abundant number, since it is smaller than the sum of its proper divisors (23023786448).

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

13987636000 is a wasteful number, since it uses less digits than its factorization.

13987636000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269031 (or 269013 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 13987636000 in words is "thirteen billion, nine hundred eighty-seven million, six hundred thirty-six thousand".