13918063236 has 288 divisors, whose sum is σ = 43443886080. Its totient is φ = 3384944640.

The previous prime is 13918063219. The next prime is 13918063249. The reversal of 13918063236 is 63236081931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18731881 + ... + 18732623.

Almost surely, 2^13918063236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13918063236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21721943040).

13918063236 is an abundant number, since it is smaller than the sum of its proper divisors (29525822844).

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

13918063236 is a wasteful number, since it uses less digits than its factorization.

13918063236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 13918063236 in words is "thirteen billion, nine hundred eighteen million, sixty-three thousand, two hundred thirty-six".