4006131085 has 16 divisors (see below), whose sum is σ = 5413565952. Its totient is φ = 2819563200.

The previous prime is 4006131083. The next prime is 4006131089. The reversal of 4006131085 is 5801316004.

It is not a de Polignac number, because 4006131085 - 2¹ = 4006131083 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 (4006131083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1173114 + ... + 1176523.

It is an arithmetic number, because the mean of its divisors is an integer number (338347872).

Almost surely, 2^4006131085 is an apocalyptic number.

It is an amenable number.

4006131085 is a deficient number, since it is larger than the sum of its proper divisors (1407434867).

4006131085 is a wasteful number, since it uses less digits than its factorization.

4006131085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349684.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 4006131085 is about 63294.0051268681. The cubic root of 4006131085 is about 1588.2116788389.

Adding to 4006131085 its reverse (5801316004), we get a palindrome (9807447089).

The spelling of 4006131085 in words is "four billion, six million, one hundred thirty-one thousand, eighty-five".