13140313616 has 10 divisors (see below), whose sum is σ = 25459357662. Its totient is φ = 6570156800.

The previous prime is 13140313577. The next prime is 13140313621. The reversal of 13140313616 is 61631304131.

It can be written as a sum of positive squares in only one way, i.e., 8172883216 + 4967430400 = 90404^2 + 70480^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410634785 + ... + 410634816.

Almost surely, 2^13140313616 is an apocalyptic number.

13140313616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13140313616 is a deficient number, since it is larger than the sum of its proper divisors (12319044046).

13140313616 is an equidigital number, since it uses as much as digits as its factorization.

13140313616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821269609 (or 821269603 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

Adding to 13140313616 its reverse (61631304131), we get a palindrome (74771617747).

The spelling of 13140313616 in words is "thirteen billion, one hundred forty million, three hundred thirteen thousand, six hundred sixteen".