85139159 has 8 divisors (see below), whose sum is σ = 98474880. Its totient is φ = 72096696.

The previous prime is 85139143. The next prime is 85139167. The reversal of 85139159 is 95193158.

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

It is not a de Polignac number, because 85139159 - 2⁴ = 85139143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85139189) 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, 72689 + ... + 73850.

It is an arithmetic number, because the mean of its divisors is an integer number (12309360).

Almost surely, 2^85139159 is an apocalyptic number.

85139159 is a deficient number, since it is larger than the sum of its proper divisors (13335721).

85139159 is a wasteful number, since it uses less digits than its factorization.

85139159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146629.

The product of its digits is 48600, while the sum is 41.

The square root of 85139159 is about 9227.0883273111. The cubic root of 85139159 is about 439.9227808705.

The spelling of 85139159 in words is "eighty-five million, one hundred thirty-nine thousand, one hundred fifty-nine".