85140273 has 32 divisors (see below), whose sum is σ = 126120960. Its totient is φ = 50846400.

The previous prime is 85140271. The next prime is 85140283. The reversal of 85140273 is 37204158.

It is not a de Polignac number, because 85140273 - 2¹ = 85140271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85140273.

It is not an unprimeable number, because it can be changed into a prime (85140271) 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 31 ways as a sum of consecutive naturals, for example, 132090 + ... + 132732.

It is an arithmetic number, because the mean of its divisors is an integer number (3941280).

Almost surely, 2^85140273 is an apocalyptic number.

It is an amenable number.

85140273 is a deficient number, since it is larger than the sum of its proper divisors (40980687).

85140273 is a wasteful number, since it uses less digits than its factorization.

85140273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 85140273 is about 9227.1486928520. The cubic root of 85140273 is about 439.9246995796.

The spelling of 85140273 in words is "eighty-five million, one hundred forty thousand, two hundred seventy-three".