191090714 has 8 divisors (see below), whose sum is σ = 301722240. Its totient is φ = 90516636.

The previous prime is 191090699. The next prime is 191090719. The reversal of 191090714 is 417090191.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (191090719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514314 + ... + 2514389.

It is an arithmetic number, because the mean of its divisors is an integer number (37715280).

Almost surely, 2^191090714 is an apocalyptic number.

191090714 is a deficient number, since it is larger than the sum of its proper divisors (110631526).

191090714 is a wasteful number, since it uses less digits than its factorization.

191090714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5028724.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 191090714 is about 13823.5564888346. The cubic root of 191090714 is about 575.9876801795.

The spelling of 191090714 in words is "one hundred ninety-one million, ninety thousand, seven hundred fourteen".