135144255 has 16 divisors (see below), whose sum is σ = 217041120. Its totient is φ = 71806848.

The previous prime is 135144253. The next prime is 135144257. The reversal of 135144255 is 552441531.

It is an interprime number because it is at equal distance from previous prime (135144253) and next prime (135144257).

It is not a de Polignac number, because 135144255 - 2¹ = 135144253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135144253) 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 15 ways as a sum of consecutive naturals, for example, 12712 + ... + 20781.

It is an arithmetic number, because the mean of its divisors is an integer number (13565070).

Almost surely, 2^135144255 is an apocalyptic number.

135144255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

135144255 is a deficient number, since it is larger than the sum of its proper divisors (81896865).

135144255 is a wasteful number, since it uses less digits than its factorization.

135144255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33770.

The product of its digits is 12000, while the sum is 30.

The square root of 135144255 is about 11625.1561279838. The cubic root of 135144255 is about 513.1754393891.

Adding to 135144255 its reverse (552441531), we get a palindrome (687585786).

The spelling of 135144255 in words is "one hundred thirty-five million, one hundred forty-four thousand, two hundred fifty-five".