13140223441 has 4 divisors (see below), whose sum is σ = 13186986084. Its totient is φ = 13093460800.

The previous prime is 13140223391. The next prime is 13140223451. The reversal of 13140223441 is 14432204131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14432204131 = 47 ⋅307068173.

It can be written as a sum of positive squares in 2 ways, for example, as 9083043025 + 4057180416 = 95305^2 + 63696^2 .

It is a cyclic number.

It is not a de Polignac number, because 13140223441 - 2²⁷ = 13006005713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13140223451) 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, 23380900 + ... + 23381461.

It is an arithmetic number, because the mean of its divisors is an integer number (3296746521).

Almost surely, 2^13140223441 is an apocalyptic number.

It is an amenable number.

13140223441 is a deficient number, since it is larger than the sum of its proper divisors (46762643).

13140223441 is an equidigital number, since it uses as much as digits as its factorization.

13140223441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46762642.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13140223441 its reverse (14432204131), we get a palindrome (27572427572).

The spelling of 13140223441 in words is "thirteen billion, one hundred forty million, two hundred twenty-three thousand, four hundred forty-one".