13140475357 has 4 divisors (see below), whose sum is σ = 13143103740. Its totient is φ = 13137846976.

The previous prime is 13140475351. The next prime is 13140475501. The reversal of 13140475357 is 75357404131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2143597401 + 10996877956 = 46299^2 + 104866^2 .

It is a cyclic number.

It is not a de Polignac number, because 13140475357 - 2²⁷ = 13006257629 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140475351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306678 + ... + 1316695.

It is an arithmetic number, because the mean of its divisors is an integer number (3285775935).

Almost surely, 2^13140475357 is an apocalyptic number.

It is an amenable number.

13140475357 is a deficient number, since it is larger than the sum of its proper divisors (2628383).

13140475357 is an equidigital number, since it uses as much as digits as its factorization.

13140475357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628382.

The product of its (nonzero) digits is 176400, while the sum is 40.

Adding to 13140475357 its reverse (75357404131), we get a palindrome (88497879488).

The spelling of 13140475357 in words is "thirteen billion, one hundred forty million, four hundred seventy-five thousand, three hundred fifty-seven".