255772134 has 32 divisors (see below), whose sum is σ = 586721280. Its totient is φ = 82506600.

The previous prime is 255772133. The next prime is 255772163. The reversal of 255772134 is 431277552.

255772134 is a `hidden beast` number, since 2 + 557 + 72 + 1 + 34 = 666.

255772134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255772133) 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, 74722 + ... + 78069.

It is an arithmetic number, because the mean of its divisors is an integer number (18335040).

Almost surely, 2^255772134 is an apocalyptic number.

255772134 is an abundant number, since it is smaller than the sum of its proper divisors (330949146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255772134 is a wasteful number, since it uses less digits than its factorization.

255772134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152833 (or 152827 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 255772134 is about 15992.8776022328. The cubic root of 255772134 is about 634.7719717757.

It can be divided in two parts, 2557 and 72134, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 255772134 in words is "two hundred fifty-five million, seven hundred seventy-two thousand, one hundred thirty-four".