191713834 has 8 divisors (see below), whose sum is σ = 309691620. Its totient is φ = 88483296.

The previous prime is 191713831. The next prime is 191713849. The reversal of 191713834 is 438317191.

191713834 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 139830625 + 51883209 = 11825^2 + 7203^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 191713793 and 191713802.

It is not an unprimeable number, because it can be changed into a prime (191713831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686779 + ... + 3686830.

Almost surely, 2^191713834 is an apocalyptic number.

191713834 is a deficient number, since it is larger than the sum of its proper divisors (117977786).

191713834 is a wasteful number, since it uses less digits than its factorization.

191713834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7373624.

The product of its digits is 18144, while the sum is 37.

The square root of 191713834 is about 13846.0764839719. The cubic root of 191713834 is about 576.6130725620.

It can be divided in two parts, 19171 and 3834, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 191713834 in words is "one hundred ninety-one million, seven hundred thirteen thousand, eight hundred thirty-four".