14136540066 has 96 divisors (see below), whose sum is σ = 35239276800. Its totient is φ = 4211099280.

The previous prime is 14136540049. The next prime is 14136540083. The reversal of 14136540066 is 66004563141.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14136540049) and next prime (14136540083).

It is a self number, because there is not a number n which added to its sum of digits gives 14136540066.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293005 + ... + 337823.

It is an arithmetic number, because the mean of its divisors is an integer number (367075800).

Almost surely, 2^14136540066 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14136540066, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17619638400).

14136540066 is an abundant number, since it is smaller than the sum of its proper divisors (21102736734).

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

14136540066 is a wasteful number, since it uses less digits than its factorization.

14136540066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44906 (or 44894 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 14136540066 in words is "fourteen billion, one hundred thirty-six million, five hundred forty thousand, sixty-six".