13965540000 has 240 divisors, whose sum is σ = 46883767392. Its totient is φ = 3636864000.

The previous prime is 13965539977. The next prime is 13965540041. The reversal of 13965540000 is 4556931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2577294 + ... + 2582706.

Almost surely, 2^13965540000 is an apocalyptic number.

13965540000 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 13965540000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23441883696).

13965540000 is an abundant number, since it is smaller than the sum of its proper divisors (32918227392).

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

13965540000 is an equidigital number, since it uses as much as digits as its factorization.

13965540000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489 (or 5466 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The spelling of 13965540000 in words is "thirteen billion, nine hundred sixty-five million, five hundred forty thousand".