13140403727 has 4 divisors (see below), whose sum is σ = 14334985896. Its totient is φ = 11945821560.

The previous prime is 13140403709. The next prime is 13140403747. The reversal of 13140403727 is 72730404131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13140403727 - 2¹⁸ = 13140141583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13140403693 and 13140403702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140403747) 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, 597291068 + ... + 597291089.

It is an arithmetic number, because the mean of its divisors is an integer number (3583746474).

Almost surely, 2^13140403727 is an apocalyptic number.

13140403727 is a deficient number, since it is larger than the sum of its proper divisors (1194582169).

13140403727 is a wasteful number, since it uses less digits than its factorization.

13140403727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194582168.

The product of its (nonzero) digits is 14112, while the sum is 32.

Adding to 13140403727 its reverse (72730404131), we get a palindrome (85870807858).

The spelling of 13140403727 in words is "thirteen billion, one hundred forty million, four hundred three thousand, seven hundred twenty-seven".