13143504265 has 16 divisors (see below), whose sum is σ = 16757056080. Its totient is φ = 9877835520.

The previous prime is 13143504133. The next prime is 13143504271. The reversal of 13143504265 is 56240534131.

It can be written as a sum of positive squares in 8 ways, for example, as 1672237449 + 11471266816 = 40893^2 + 107104^2 .

It is not a de Polignac number, because 13143504265 - 2¹⁷ = 13143373193 is a prime.

It is a super-3 number, since 3×13143504265³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13143504265.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1219566 + ... + 1230295.

It is an arithmetic number, because the mean of its divisors is an integer number (1047316005).

Almost surely, 2^13143504265 is an apocalyptic number.

It is an amenable number.

13143504265 is a deficient number, since it is larger than the sum of its proper divisors (3613551815).

13143504265 is a wasteful number, since it uses less digits than its factorization.

13143504265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2449932.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 13143504265 in words is "thirteen billion, one hundred forty-three million, five hundred four thousand, two hundred sixty-five".