135563163 has 4 divisors (see below), whose sum is σ = 180750888. Its totient is φ = 90375440.

The previous prime is 135563149. The next prime is 135563171. The reversal of 135563163 is 361365531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 361365531 = 3 ⋅120455177.

It is a cyclic number.

It is not a de Polignac number, because 135563163 - 2⁴ = 135563147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135563963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22593858 + ... + 22593863.

It is an arithmetic number, because the mean of its divisors is an integer number (45187722).

Almost surely, 2^135563163 is an apocalyptic number.

135563163 is a deficient number, since it is larger than the sum of its proper divisors (45187725).

135563163 is an equidigital number, since it uses as much as digits as its factorization.

135563163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45187724.

The product of its digits is 24300, while the sum is 33.

The square root of 135563163 is about 11643.1594938831. The cubic root of 135563163 is about 513.7051241579.

The spelling of 135563163 in words is "one hundred thirty-five million, five hundred sixty-three thousand, one hundred sixty-three".