255131135 has 16 divisors (see below), whose sum is σ = 356498496. Its totient is φ = 171644928.

The previous prime is 255131119. The next prime is 255131137. The reversal of 255131135 is 531131552.

It is a happy number.

It is not a de Polignac number, because 255131135 - 2⁴ = 255131119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255131137) 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, 66914 + ... + 70623.

It is an arithmetic number, because the mean of its divisors is an integer number (22281156).

Almost surely, 2^255131135 is an apocalyptic number.

255131135 is a deficient number, since it is larger than the sum of its proper divisors (101367361).

255131135 is a wasteful number, since it uses less digits than its factorization.

255131135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137602.

The product of its digits is 2250, while the sum is 26.

The square root of 255131135 is about 15972.8248910454. The cubic root of 255131135 is about 634.2412538380.

Adding to 255131135 its reverse (531131552), we get a palindrome (786262687).

The spelling of 255131135 in words is "two hundred fifty-five million, one hundred thirty-one thousand, one hundred thirty-five".