85418132 has 12 divisors (see below), whose sum is σ = 158274900. Its totient is φ = 40196736.

The previous prime is 85418131. The next prime is 85418147. The reversal of 85418132 is 23181458.

It can be written as a sum of positive squares in 2 ways, for example, as 38987536 + 46430596 = 6244^2 + 6814^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85418131) 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, 628007 + ... + 628142.

It is an arithmetic number, because the mean of its divisors is an integer number (13189575).

Almost surely, 2^85418132 is an apocalyptic number.

It is an amenable number.

85418132 is a deficient number, since it is larger than the sum of its proper divisors (72856768).

85418132 is a wasteful number, since it uses less digits than its factorization.

85418132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256170 (or 1256168 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 85418132 is about 9242.1930297955. The cubic root of 85418132 is about 440.4027510667.

The spelling of 85418132 in words is "eighty-five million, four hundred eighteen thousand, one hundred thirty-two".