191914 has 4 divisors (see below), whose sum is σ = 287874. Its totient is φ = 95956.

The previous prime is 191911. The next prime is 191929. The reversal of 191914 is 419191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 164025 + 27889 = 405^2 + 167^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (191911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47977 + ... + 47980.

2¹⁹¹⁹¹⁴ is an apocalyptic number.

191914 is a deficient number, since it is larger than the sum of its proper divisors (95960).

191914 is an equidigital number, since it uses as much as digits as its factorization.

191914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95959.

The product of its digits is 324, while the sum is 25.

The square root of 191914 is about 438.0799013879. The cubic root of 191914 is about 57.6813680910.

The spelling of 191914 in words is "one hundred ninety-one thousand, nine hundred fourteen".