14040065 has 16 divisors (see below), whose sum is σ = 18446736. Its totient is φ = 10195200.

The previous prime is 14040043. The next prime is 14040067. The reversal of 14040065 is 56004041.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 4596736 + 9443329 = 2144^2 + 3073^2 .

It is not a de Polignac number, because 14040065 - 2⁶ = 14040001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14040067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2195 + ... + 5735.

It is an arithmetic number, because the mean of its divisors is an integer number (1152921).

Almost surely, 2^14040065 is an apocalyptic number.

It is an amenable number.

14040065 is a deficient number, since it is larger than the sum of its proper divisors (4406671).

14040065 is a wasteful number, since it uses less digits than its factorization.

14040065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3620.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 14040065 is about 3747.0074726373. The cubic root of 14040065 is about 241.2439178042.

The spelling of 14040065 in words is "fourteen million, forty thousand, sixty-five".