3965131874 has 16 divisors (see below), whose sum is σ = 6770502720. Its totient is φ = 1723970160.

The previous prime is 3965131837. The next prime is 3965131921. The reversal of 3965131874 is 4781315693.

It is a happy number.

3965131874 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3917609 + ... + 3918620.

It is an arithmetic number, because the mean of its divisors is an integer number (423156420).

Almost surely, 2^3965131874 is an apocalyptic number.

3965131874 is a deficient number, since it is larger than the sum of its proper divisors (2805370846).

3965131874 is a wasteful number, since it uses less digits than its factorization.

3965131874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7836265.

The product of its digits is 544320, while the sum is 47.

The square root of 3965131874 is about 62969.2931038613. The cubic root of 3965131874 is about 1582.7751093294.

The spelling of 3965131874 in words is "three billion, nine hundred sixty-five million, one hundred thirty-one thousand, eight hundred seventy-four".