485139 has 16 divisors (see below), whose sum is σ = 691200. Its totient is φ = 302016.

The previous prime is 485137. The next prime is 485161. The reversal of 485139 is 931584.

It is not a de Polignac number, because 485139 - 2¹ = 485137 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 485139.

It is not an unprimeable number, because it can be changed into a prime (485131) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5407 + ... + 5495.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁴⁸⁵¹³⁹ is an apocalyptic number.

485139 is a deficient number, since it is larger than the sum of its proper divisors (206061).

485139 is a wasteful number, since it uses less digits than its factorization.

485139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 4320, while the sum is 30.

The square root of 485139 is about 696.5192028939. The cubic root of 485139 is about 78.5757851972.

The spelling of 485139 in words is "four hundred eighty-five thousand, one hundred thirty-nine".