13135731475 has 12 divisors (see below), whose sum is σ = 16484554296. Its totient is φ = 10381974080.

The previous prime is 13135731473. The next prime is 13135731487. The reversal of 13135731475 is 57413753131.

It is not a de Polignac number, because 13135731475 - 2¹ = 13135731473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13135731473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3163162 + ... + 3167311.

It is an arithmetic number, because the mean of its divisors is an integer number (1373712858).

Almost surely, 2^13135731475 is an apocalyptic number.

13135731475 is a deficient number, since it is larger than the sum of its proper divisors (3348822821).

13135731475 is an equidigital number, since it uses as much as digits as its factorization.

13135731475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6330566 (or 6330561 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The spelling of 13135731475 in words is "thirteen billion, one hundred thirty-five million, seven hundred thirty-one thousand, four hundred seventy-five".