85234136 has 48 divisors (see below), whose sum is σ = 180642960. Its totient is φ = 37614720.

The previous prime is 85234099. The next prime is 85234147. The reversal of 85234136 is 63143258.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 29726 + ... + 32466.

It is an arithmetic number, because the mean of its divisors is an integer number (3763395).

Almost surely, 2^85234136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85234136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90321480).

85234136 is an abundant number, since it is smaller than the sum of its proper divisors (95408824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85234136 is a wasteful number, since it uses less digits than its factorization.

85234136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2779 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 85234136 is about 9232.2335325749. The cubic root of 85234136 is about 440.0863053843.

The spelling of 85234136 in words is "eighty-five million, two hundred thirty-four thousand, one hundred thirty-six".