13140282644 has 12 divisors (see below), whose sum is σ = 23002068768. Its totient is φ = 6568263000.

The previous prime is 13140282641. The next prime is 13140282647. The reversal of 13140282644 is 44628204131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13140282641) and next prime (13140282647).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140282641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453782 + ... + 481869.

It is an arithmetic number, because the mean of its divisors is an integer number (1916839064).

Almost surely, 2^13140282644 is an apocalyptic number.

It is an amenable number.

13140282644 is a deficient number, since it is larger than the sum of its proper divisors (9861786124).

13140282644 is a wasteful number, since it uses less digits than its factorization.

13140282644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939166 (or 939164 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

Adding to 13140282644 its reverse (44628204131), we get a palindrome (57768486775).

The spelling of 13140282644 in words is "thirteen billion, one hundred forty million, two hundred eighty-two thousand, six hundred forty-four".