85130 has 8 divisors (see below), whose sum is σ = 153252. Its totient is φ = 34048.

The previous prime is 85121. The next prime is 85133. The reversal of 85130 is 3158.

It can be written as a sum of positive squares in 2 ways, for example, as 80089 + 5041 = 283^2 + 71^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 85099 and 85108.

It is not an unprimeable number, because it can be changed into a prime (85133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4247 + ... + 4266.

2⁸⁵¹³⁰ is an apocalyptic number.

85130 is a deficient number, since it is larger than the sum of its proper divisors (68122).

85130 is a wasteful number, since it uses less digits than its factorization.

85130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8520.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 85130 is about 291.7704577232. The cubic root of 85130 is about 43.9907005140.

Adding to 85130 its reverse (3158), we get a palindrome (88288).

The spelling of 85130 in words is "eighty-five thousand, one hundred thirty".