85131694 has 8 divisors (see below), whose sum is σ = 133249680. Its totient is φ = 40715136.

The previous prime is 85131691. The next prime is 85131713. The reversal of 85131694 is 49613158.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85131691) 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 3 ways as a sum of consecutive naturals, for example, 925299 + ... + 925390.

It is an arithmetic number, because the mean of its divisors is an integer number (16656210).

Almost surely, 2^85131694 is an apocalyptic number.

85131694 is a deficient number, since it is larger than the sum of its proper divisors (48117986).

85131694 is a wasteful number, since it uses less digits than its factorization.

85131694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850714.

The product of its digits is 25920, while the sum is 37.

The square root of 85131694 is about 9226.6838029706. The cubic root of 85131694 is about 439.9099230207.

The spelling of 85131694 in words is "eighty-five million, one hundred thirty-one thousand, six hundred ninety-four".