13902186540 has 96 divisors (see below), whose sum is σ = 42666543360. Its totient is φ = 3354220800.

The previous prime is 13902186533. The next prime is 13902186553. The reversal of 13902186540 is 4568120931.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89346 + ... + 189174.

It is an arithmetic number, because the mean of its divisors is an integer number (444443160).

Almost surely, 2^13902186540 is an apocalyptic number.

13902186540 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 13902186540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21333271680).

13902186540 is an abundant number, since it is smaller than the sum of its proper divisors (28764356820).

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

13902186540 is a wasteful number, since it uses less digits than its factorization.

13902186540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100063 (or 100061 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 13902186540 in words is "thirteen billion, nine hundred two million, one hundred eighty-six thousand, five hundred forty".