4135865125 has 32 divisors (see below), whose sum is σ = 5923906560. Its totient is φ = 2824012800.

The previous prime is 4135865089. The next prime is 4135865137. The reversal of 4135865125 is 5215685314.

It is not a de Polignac number, because 4135865125 - 2⁹ = 4135864613 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199237 + ... + 219013.

It is an arithmetic number, because the mean of its divisors is an integer number (185122080).

Almost surely, 2^4135865125 is an apocalyptic number.

It is an amenable number.

4135865125 is a deficient number, since it is larger than the sum of its proper divisors (1788041435).

4135865125 is a wasteful number, since it uses less digits than its factorization.

4135865125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20038 (or 20028 counting only the distinct ones).

The product of its digits is 144000, while the sum is 40.

The square root of 4135865125 is about 64310.6921514611. The cubic root of 4135865125 is about 1605.1740218850.

The spelling of 4135865125 in words is "four billion, one hundred thirty-five million, eight hundred sixty-five thousand, one hundred twenty-five".