3138767565 has 32 divisors (see below), whose sum is σ = 5306757120. Its totient is φ = 1580943936.

The previous prime is 3138767557. The next prime is 3138767573. The reversal of 3138767565 is 5657678313.

It is an interprime number because it is at equal distance from previous prime (3138767557) and next prime (3138767573).

It is not a de Polignac number, because 3138767565 - 2³ = 3138767557 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, 30327 + ... + 84836.

It is an arithmetic number, because the mean of its divisors is an integer number (165836160).

Almost surely, 2^3138767565 is an apocalyptic number.

It is an amenable number.

3138767565 is a deficient number, since it is larger than the sum of its proper divisors (2167989555).

3138767565 is a wasteful number, since it uses less digits than its factorization.

3138767565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115273.

The product of its digits is 3175200, while the sum is 51.

The square root of 3138767565 is about 56024.7049523690. The cubic root of 3138767565 is about 1464.1527427118.

The spelling of 3138767565 in words is "three billion, one hundred thirty-eight million, seven hundred sixty-seven thousand, five hundred sixty-five".