13135543 has 8 divisors (see below), whose sum is σ = 13942368. Its totient is φ = 12332544.

The previous prime is 13135541. The next prime is 13135601. The reversal of 13135543 is 34553131.

13135543 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13135543 - 2¹ = 13135541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9430 + ... + 10732.

It is an arithmetic number, because the mean of its divisors is an integer number (1742796).

Almost surely, 2^13135543 is an apocalyptic number.

13135543 is a deficient number, since it is larger than the sum of its proper divisors (806825).

13135543 is a wasteful number, since it uses less digits than its factorization.

13135543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913.

The product of its digits is 2700, while the sum is 25.

The square root of 13135543 is about 3624.2989666969. The cubic root of 13135543 is about 235.9478422992.

Adding to 13135543 its reverse (34553131), we get a palindrome (47688674).

The spelling of 13135543 in words is "thirteen million, one hundred thirty-five thousand, five hundred forty-three".