255661134 has 16 divisors (see below), whose sum is σ = 512939088. Its totient is φ = 84950912.

The previous prime is 255661103. The next prime is 255661139. The reversal of 255661134 is 431166552.

It is a junction number, because it is equal to n+sod(n) for n = 255661095 and 255661104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255661139) 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, 65307 + ... + 69110.

It is an arithmetic number, because the mean of its divisors is an integer number (32058693).

Almost surely, 2^255661134 is an apocalyptic number.

255661134 is an abundant number, since it is smaller than the sum of its proper divisors (257277954).

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

255661134 is a wasteful number, since it uses less digits than its factorization.

255661134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134739.

The product of its digits is 21600, while the sum is 33.

The square root of 255661134 is about 15989.4069308402. The cubic root of 255661134 is about 634.6801323678.

The spelling of 255661134 in words is "two hundred fifty-five million, six hundred sixty-one thousand, one hundred thirty-four".