834136665 has 8 divisors (see below), whose sum is σ = 1334618688. Its totient is φ = 444872880.

The previous prime is 834136663. The next prime is 834136669. The reversal of 834136665 is 566631438.

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

It is not a de Polignac number, because 834136665 - 2¹ = 834136663 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (834136663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27804541 + ... + 27804570.

It is an arithmetic number, because the mean of its divisors is an integer number (166827336).

Almost surely, 2^834136665 is an apocalyptic number.

It is an amenable number.

834136665 is a deficient number, since it is larger than the sum of its proper divisors (500482023).

834136665 is a wasteful number, since it uses less digits than its factorization.

834136665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55609119.

The product of its digits is 311040, while the sum is 42.

The square root of 834136665 is about 28881.4242204224. The cubic root of 834136665 is about 941.3383173832.

The spelling of 834136665 in words is "eight hundred thirty-four million, one hundred thirty-six thousand, six hundred sixty-five".