191713914 has 96 divisors (see below), whose sum is σ = 507012480. Its totient is φ = 51134976.

The previous prime is 191713903. The next prime is 191713919. The reversal of 191713914 is 419317191.

It is not an unprimeable number, because it can be changed into a prime (191713919) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174214 + ... + 175310.

It is an arithmetic number, because the mean of its divisors is an integer number (5281380).

Almost surely, 2^191713914 is an apocalyptic number.

191713914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 191713914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253506240).

191713914 is an abundant number, since it is smaller than the sum of its proper divisors (315298566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191713914 is a wasteful number, since it uses less digits than its factorization.

191713914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1204 (or 1201 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 191713914 is about 13846.0793728766. The cubic root of 191713914 is about 576.6131527667.

The spelling of 191713914 in words is "one hundred ninety-one million, seven hundred thirteen thousand, nine hundred fourteen".