255457135 has 4 divisors (see below), whose sum is σ = 306548568. Its totient is φ = 204365704.

The previous prime is 255457133. The next prime is 255457171. The reversal of 255457135 is 531754552.

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

It is a cyclic number.

It is not a de Polignac number, because 255457135 - 2¹ = 255457133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255457094 and 255457103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255457133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25545709 + ... + 25545718.

It is an arithmetic number, because the mean of its divisors is an integer number (76637142).

Almost surely, 2^255457135 is an apocalyptic number.

255457135 is a deficient number, since it is larger than the sum of its proper divisors (51091433).

255457135 is an equidigital number, since it uses as much as digits as its factorization.

255457135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51091432.

The product of its digits is 105000, while the sum is 37.

The square root of 255457135 is about 15983.0264655978. The cubic root of 255457135 is about 634.5112779125.

The spelling of 255457135 in words is "two hundred fifty-five million, four hundred fifty-seven thousand, one hundred thirty-five".