3865052404138 has 16 divisors (see below), whose sum is σ = 5901939869760. Its totient is φ = 1897806861216.

The previous prime is 3865052404093. The next prime is 3865052404151. The reversal of 3865052404138 is 8314042505683.

It is a junction number, because it is equal to n+sod(n) for n = 3865052404091 and 3865052404100.

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, 16822131 + ... + 17050342.

It is an arithmetic number, because the mean of its divisors is an integer number (368871241860).

Almost surely, 2^{3865052404138} is an apocalyptic number.

3865052404138 is a deficient number, since it is larger than the sum of its proper divisors (2036887465622).

3865052404138 is a wasteful number, since it uses less digits than its factorization.

3865052404138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33873501.

The product of its (nonzero) digits is 2764800, while the sum is 49.

The spelling of 3865052404138 in words is "three trillion, eight hundred sixty-five billion, fifty-two million, four hundred four thousand, one hundred thirty-eight".