13916113820 has 24 divisors (see below), whose sum is σ = 33398673504. Its totient is φ = 4771238976.

The previous prime is 13916113819. The next prime is 13916113831. The reversal of 13916113820 is 2831161931.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49700267 + ... + 49700546.

It is an arithmetic number, because the mean of its divisors is an integer number (1391611396).

Almost surely, 2^13916113820 is an apocalyptic number.

13916113820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13916113820 is an abundant number, since it is smaller than the sum of its proper divisors (19482559684).

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

13916113820 is a wasteful number, since it uses less digits than its factorization.

13916113820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99400829 (or 99400827 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 13916113820 in words is "thirteen billion, nine hundred sixteen million, one hundred thirteen thousand, eight hundred twenty".