34138865 has 12 divisors (see below), whose sum is σ = 41378076. Its totient is φ = 27039168.

The previous prime is 34138849. The next prime is 34138879. The reversal of 34138865 is 56883143.

It can be written as a sum of positive squares in 6 ways, for example, as 6806881 + 27331984 = 2609^2 + 5228^2 .

It is not a de Polignac number, because 34138865 - 2⁴ = 34138849 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123107 + ... + 123383.

It is an arithmetic number, because the mean of its divisors is an integer number (3448173).

Almost surely, 2^34138865 is an apocalyptic number.

It is an amenable number.

34138865 is a deficient number, since it is larger than the sum of its proper divisors (7239211).

34138865 is an equidigital number, since it uses as much as digits as its factorization.

34138865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596 (or 439 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 34138865 is about 5842.8473367015. The cubic root of 34138865 is about 324.4016287726.

The spelling of 34138865 in words is "thirty-four million, one hundred thirty-eight thousand, eight hundred sixty-five".