3138565 has 8 divisors (see below), whose sum is σ = 3790368. Its totient is φ = 2494800.

The previous prime is 3138563. The next prime is 3138571. The reversal of 3138565 is 5658313.

3138565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3138565 - 2¹ = 3138563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (473796).

Almost surely, 2^3138565 is an apocalyptic number.

It is an amenable number.

3138565 is a deficient number, since it is larger than the sum of its proper divisors (651803).

3138565 is a wasteful number, since it uses less digits than its factorization.

3138565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its digits is 10800, while the sum is 31.

The square root of 3138565 is about 1771.5995597200. The cubic root of 3138565 is about 146.4121244948.

The spelling of 3138565 in words is "three million, one hundred thirty-eight thousand, five hundred sixty-five".