334140065 has 12 divisors (see below), whose sum is σ = 466432596. Its totient is φ = 229124448.

The previous prime is 334140047. The next prime is 334140073. The reversal of 334140065 is 560041433.

It can be written as a sum of positive squares in 2 ways, for example, as 168065296 + 166074769 = 12964^2 + 12887^2 .

It is not a de Polignac number, because 334140065 - 2⁸ = 334139809 is a prime.

It is a super-2 number, since 2×334140065² = 223299166076408450, which contains 22 as substring.

It is a Curzon 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, 681674 + ... + 682163.

It is an arithmetic number, because the mean of its divisors is an integer number (38869383).

Almost surely, 2^334140065 is an apocalyptic number.

334140065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

334140065 is a deficient number, since it is larger than the sum of its proper divisors (132292531).

334140065 is a wasteful number, since it uses less digits than its factorization.

334140065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1363856 (or 1363849 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 334140065 is about 18279.4984887442. The cubic root of 334140065 is about 693.9201802022.

Adding to 334140065 its reverse (560041433), we get a palindrome (894181498).

The spelling of 334140065 in words is "three hundred thirty-four million, one hundred forty thousand, sixty-five".