13890013750 has 20 divisors (see below), whose sum is σ = 26035444116. Its totient is φ = 5556005000.

The previous prime is 13890013747. The next prime is 13890013757. The reversal of 13890013750 is 5731009831.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890013757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5554756 + ... + 5557255.

Almost surely, 2^13890013750 is an apocalyptic number.

13890013750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13890013750 is a deficient number, since it is larger than the sum of its proper divisors (12145430366).

13890013750 is an equidigital number, since it uses as much as digits as its factorization.

13890013750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11112033 (or 11112018 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The spelling of 13890013750 in words is "thirteen billion, eight hundred ninety million, thirteen thousand, seven hundred fifty".