135243163 has 8 divisors (see below), whose sum is σ = 150039360. Its totient is φ = 120863880.

The previous prime is 135243149. The next prime is 135243187. The reversal of 135243163 is 361342531.

135243163 is digitally balanced in base 2, 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 135243163 - 2⁵ = 135243131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135243263) 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, 103545 + ... + 104842.

It is an arithmetic number, because the mean of its divisors is an integer number (18754920).

Almost surely, 2^135243163 is an apocalyptic number.

135243163 is a deficient number, since it is larger than the sum of its proper divisors (14796197).

135243163 is a wasteful number, since it uses less digits than its factorization.

135243163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208457.

The product of its digits is 6480, while the sum is 28.

The square root of 135243163 is about 11629.4094003092. The cubic root of 135243163 is about 513.3006013968.

Adding to 135243163 its reverse (361342531), we get a palindrome (496585694).

The spelling of 135243163 in words is "one hundred thirty-five million, two hundred forty-three thousand, one hundred sixty-three".