585138 has 8 divisors (see below), whose sum is σ = 1170288. Its totient is φ = 195044.

The previous prime is 585131. The next prime is 585149. The reversal of 585138 is 831585.

585138 = T₁₆₂ + T₁₆₃ + ... + T₁₉₇.

It is a happy number.

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

585138 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (585131) by changing a digit.

585138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48756 + ... + 48767.

It is an arithmetic number, because the mean of its divisors is an integer number (146286).

2⁵⁸⁵¹³⁸ is an apocalyptic number.

585138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

585138 is a wasteful number, since it uses less digits than its factorization.

585138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97528.

The product of its digits is 4800, while the sum is 30.

The square root of 585138 is about 764.9431351414. The cubic root of 585138 is about 83.6410419420.

The spelling of 585138 in words is "five hundred eighty-five thousand, one hundred thirty-eight".