135211263 has 16 divisors (see below), whose sum is σ = 196982400. Its totient is φ = 81816480.

The previous prime is 135211261. The next prime is 135211301. The reversal of 135211263 is 362112531.

It is not a de Polignac number, because 135211263 - 2¹ = 135211261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135211261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20508 + ... + 26286.

It is an arithmetic number, because the mean of its divisors is an integer number (12311400).

Almost surely, 2^135211263 is an apocalyptic number.

135211263 is a deficient number, since it is larger than the sum of its proper divisors (61771137).

135211263 is a wasteful number, since it uses less digits than its factorization.

135211263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502.

The product of its digits is 1080, while the sum is 24.

The square root of 135211263 is about 11628.0377966362. The cubic root of 135211263 is about 513.2602405721.

Adding to 135211263 its reverse (362112531), we get a palindrome (497323794).

The spelling of 135211263 in words is "one hundred thirty-five million, two hundred eleven thousand, two hundred sixty-three".