3938107144 has 16 divisors (see below), whose sum is σ = 7403752620. Its totient is φ = 1963773120.

The previous prime is 3938107139. The next prime is 3938107163. The reversal of 3938107144 is 4417018393.

It can be written as a sum of positive squares in 2 ways, for example, as 3937562500 + 544644 = 62750^2 + 738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3938107097 and 3938107106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656887 + ... + 662854.

Almost surely, 2^3938107144 is an apocalyptic number.

It is an amenable number.

3938107144 is a deficient number, since it is larger than the sum of its proper divisors (3465645476).

3938107144 is a wasteful number, since it uses less digits than its factorization.

3938107144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320120 (or 1320116 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3938107144 is about 62754.3396427689. The cubic root of 3938107144 is about 1579.1710579906.

The spelling of 3938107144 in words is "three billion, nine hundred thirty-eight million, one hundred seven thousand, one hundred forty-four".