34138565 has 8 divisors (see below), whose sum is σ = 40997880. Its totient is φ = 27289792.

The previous prime is 34138561. The next prime is 34138571. The reversal of 34138565 is 56583143.

It can be written as a sum of positive squares in 4 ways, for example, as 3690241 + 30448324 = 1921^2 + 5518^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34138565 - 2² = 34138561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34138561) 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, 10067 + ... + 13023.

It is an arithmetic number, because the mean of its divisors is an integer number (5124735).

Almost surely, 2^34138565 is an apocalyptic number.

It is an amenable number.

34138565 is a deficient number, since it is larger than the sum of its proper divisors (6859315).

34138565 is a wasteful number, since it uses less digits than its factorization.

34138565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5271.

The product of its digits is 43200, while the sum is 35.

The square root of 34138565 is about 5842.8216642304. The cubic root of 34138565 is about 324.4006785284.

The spelling of 34138565 in words is "thirty-four million, one hundred thirty-eight thousand, five hundred sixty-five".