13146534404 has 12 divisors (see below), whose sum is σ = 23007834444. Its totient is φ = 6572867424.

The previous prime is 13146534389. The next prime is 13146534431. The reversal of 13146534404 is 40443564131.

It can be written as a sum of positive squares in 2 ways, for example, as 10670476804 + 2476057600 = 103298^2 + 49760^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18599 + ... + 163214.

It is an arithmetic number, because the mean of its divisors is an integer number (1917319537).

Almost surely, 2^13146534404 is an apocalyptic number.

It is an amenable number.

13146534404 is a deficient number, since it is larger than the sum of its proper divisors (9861300040).

13146534404 is a wasteful number, since it uses less digits than its factorization.

13146534404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199894 (or 199892 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 13146534404 in words is "thirteen billion, one hundred forty-six million, five hundred thirty-four thousand, four hundred four".