85134743 has 8 divisors (see below), whose sum is σ = 87575712. Its totient is φ = 82701216.

The previous prime is 85134739. The next prime is 85134767. The reversal of 85134743 is 34743158.

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

It is not a de Polignac number, because 85134743 - 2² = 85134739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85134703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28046 + ... + 30932.

It is an arithmetic number, because the mean of its divisors is an integer number (10946964).

Almost surely, 2^85134743 is an apocalyptic number.

85134743 is a deficient number, since it is larger than the sum of its proper divisors (2440969).

85134743 is a wasteful number, since it uses less digits than its factorization.

85134743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721.

The product of its digits is 40320, while the sum is 35.

The square root of 85134743 is about 9226.8490287855. The cubic root of 85134743 is about 439.9151747638.

The spelling of 85134743 in words is "eighty-five million, one hundred thirty-four thousand, seven hundred forty-three".