4085012134 has 16 divisors (see below), whose sum is σ = 7011244800. Its totient is φ = 1748627784.

The previous prime is 4085012131. The next prime is 4085012147. The reversal of 4085012134 is 4312105804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4085012131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162144 + ... + 185635.

It is an arithmetic number, because the mean of its divisors is an integer number (438202800).

Almost surely, 2^4085012134 is an apocalyptic number.

4085012134 is a deficient number, since it is larger than the sum of its proper divisors (2926232666).

4085012134 is a wasteful number, since it uses less digits than its factorization.

4085012134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348627.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 4085012134 is about 63914.0996494514. The cubic root of 4085012134 is about 1598.5680070362.

Adding to 4085012134 its reverse (4312105804), we get a palindrome (8397117938).

The spelling of 4085012134 in words is "four billion, eighty-five million, twelve thousand, one hundred thirty-four".