13140535344025 has 6 divisors (see below), whose sum is σ = 16294263826622. Its totient is φ = 10512428275200.

The previous prime is 13140535343989. The next prime is 13140535344067. The reversal of 13140535344025 is 52044353504131.

It can be written as a sum of positive squares in 3 ways, for example, as 432907413849 + 12707627930176 = 657957^2 + 3564776^2 .

It is not a de Polignac number, because 13140535344025 - 2¹⁷ = 13140535212953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262810706856 + ... + 262810706905.

Almost surely, 2^{13140535344025} is an apocalyptic number.

It is an amenable number.

13140535344025 is a deficient number, since it is larger than the sum of its proper divisors (3153728482597).

13140535344025 is an equidigital number, since it uses as much as digits as its factorization.

13140535344025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525621413771 (or 525621413766 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 13140535344025 its reverse (52044353504131), we get a palindrome (65184888848156).

The spelling of 13140535344025 in words is "thirteen trillion, one hundred forty billion, five hundred thirty-five million, three hundred forty-four thousand, twenty-five".