13105357828 has 6 divisors (see below), whose sum is σ = 22934376206. Its totient is φ = 6552678912.

The previous prime is 13105357789. The next prime is 13105357871. The reversal of 13105357828 is 82875350131.

It can be written as a sum of positive squares in only one way, i.e., 9932514244 + 3172843584 = 99662^2 + 56328^2 .

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 as a sum of consecutive naturals, namely, 1638169725 + ... + 1638169732.

Almost surely, 2^13105357828 is an apocalyptic number.

It is an amenable number.

13105357828 is a deficient number, since it is larger than the sum of its proper divisors (9829018378).

13105357828 is a wasteful number, since it uses less digits than its factorization.

13105357828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3276339461 (or 3276339459 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 43.

It can be divided in two parts, 131053 and 57828, that added together give a palindrome (188881).

The spelling of 13105357828 in words is "thirteen billion, one hundred five million, three hundred fifty-seven thousand, eight hundred twenty-eight".