13143135 has 16 divisors (see below), whose sum is σ = 21386880. Its totient is φ = 6890400.

The previous prime is 13143089. The next prime is 13143149. The reversal of 13143135 is 53134131.

13143135 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13143135 - 2¹⁰ = 13142111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6541 + ... + 8310.

It is an arithmetic number, because the mean of its divisors is an integer number (1336680).

Almost surely, 2^13143135 is an apocalyptic number.

13143135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13143135 is a deficient number, since it is larger than the sum of its proper divisors (8243745).

13143135 is a wasteful number, since it uses less digits than its factorization.

13143135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14918.

The product of its digits is 540, while the sum is 21.

The square root of 13143135 is about 3625.3461903658. The cubic root of 13143135 is about 235.9932907697.

Adding to 13143135 its reverse (53134131), we get a palindrome (66277266).

The spelling of 13143135 in words is "thirteen million, one hundred forty-three thousand, one hundred thirty-five".