135113263 has 4 divisors (see below), whose sum is σ = 143061120. Its totient is φ = 127165408.

The previous prime is 135113261. The next prime is 135113273. The reversal of 135113263 is 362311531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135113263 - 2¹ = 135113261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135113261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973903 + ... + 3973936.

It is an arithmetic number, because the mean of its divisors is an integer number (35765280).

Almost surely, 2^135113263 is an apocalyptic number.

135113263 is a deficient number, since it is larger than the sum of its proper divisors (7947857).

135113263 is an equidigital number, since it uses as much as digits as its factorization.

135113263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7947856.

The product of its digits is 1620, while the sum is 25.

The square root of 135113263 is about 11623.8230802090. The cubic root of 135113263 is about 513.1362083488.

Adding to 135113263 its reverse (362311531), we get a palindrome (497424794).

The spelling of 135113263 in words is "one hundred thirty-five million, one hundred thirteen thousand, two hundred sixty-three".