13245135044 has 12 divisors (see below), whose sum is σ = 23262666924. Its totient is φ = 6598658784.

The previous prime is 13245135019. The next prime is 13245135053. The reversal of 13245135044 is 44053154231.

It can be written as a sum of positive squares in 2 ways, for example, as 7693394944 + 5551740100 = 87712^2 + 74510^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13245135044.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5975939 + ... + 5978154.

It is an arithmetic number, because the mean of its divisors is an integer number (1938555577).

Almost surely, 2^13245135044 is an apocalyptic number.

It is an amenable number.

13245135044 is a deficient number, since it is larger than the sum of its proper divisors (10017531880).

13245135044 is a wasteful number, since it uses less digits than its factorization.

13245135044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11954374 (or 11954372 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13245135044 its reverse (44053154231), we get a palindrome (57298289275).

The spelling of 13245135044 in words is "thirteen billion, two hundred forty-five million, one hundred thirty-five thousand, forty-four".