255785135 has 8 divisors (see below), whose sum is σ = 307295856. Its totient is φ = 204392320.

The previous prime is 255785129. The next prime is 255785137. The reversal of 255785135 is 531587552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255785135 - 2¹⁸ = 255522991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255785092 and 255785101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255785137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24629 + ... + 33438.

It is an arithmetic number, because the mean of its divisors is an integer number (38411982).

Almost surely, 2^255785135 is an apocalyptic number.

255785135 is a deficient number, since it is larger than the sum of its proper divisors (51510721).

255785135 is an equidigital number, since it uses as much as digits as its factorization.

255785135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58953.

The product of its digits is 210000, while the sum is 41.

The square root of 255785135 is about 15993.2840592544. The cubic root of 255785135 is about 634.7827268314.

The spelling of 255785135 in words is "two hundred fifty-five million, seven hundred eighty-five thousand, one hundred thirty-five".