135011255 has 4 divisors (see below), whose sum is σ = 162013512. Its totient is φ = 108009000.

The previous prime is 135011249. The next prime is 135011281. The reversal of 135011255 is 552110531.

It is a happy number.

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

It is not a de Polignac number, because 135011255 - 2²⁰ = 133962679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 135011255.

It is a congruent number.

It is an unprimeable number.

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, 13501121 + ... + 13501130.

It is an arithmetic number, because the mean of its divisors is an integer number (40503378).

Almost surely, 2^135011255 is an apocalyptic number.

135011255 is a deficient number, since it is larger than the sum of its proper divisors (27002257).

135011255 is an equidigital number, since it uses as much as digits as its factorization.

135011255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27002256.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 135011255 is about 11619.4343666118. The cubic root of 135011255 is about 513.0070397396.

Adding to 135011255 its reverse (552110531), we get a palindrome (687121786).

The spelling of 135011255 in words is "one hundred thirty-five million, eleven thousand, two hundred fifty-five".