3981337142 has 16 divisors (see below), whose sum is σ = 6084006432. Its totient is φ = 1953486720.

The previous prime is 3981337109. The next prime is 3981337187. The reversal of 3981337142 is 2417331893.

It is a self number, because there is not a number n which added to its sum of digits gives 3981337142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15143 + ... + 90509.

It is an arithmetic number, because the mean of its divisors is an integer number (380250402).

Almost surely, 2^3981337142 is an apocalyptic number.

3981337142 is a deficient number, since it is larger than the sum of its proper divisors (2102669290).

3981337142 is a wasteful number, since it uses less digits than its factorization.

3981337142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75863.

The product of its digits is 108864, while the sum is 41.

The square root of 3981337142 is about 63097.8378551912. The cubic root of 3981337142 is about 1584.9284157316.

The spelling of 3981337142 in words is "three billion, nine hundred eighty-one million, three hundred thirty-seven thousand, one hundred forty-two".