191297114 has 4 divisors (see below), whose sum is σ = 286945674. Its totient is φ = 95648556.

The previous prime is 191297101. The next prime is 191297123. The reversal of 191297114 is 411792191.

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., 152646025 + 38651089 = 12355^2 + 6217^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47824277 + ... + 47824280.

Almost surely, 2^191297114 is an apocalyptic number.

191297114 is a deficient number, since it is larger than the sum of its proper divisors (95648560).

191297114 is an equidigital number, since it uses as much as digits as its factorization.

191297114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95648559.

The product of its digits is 4536, while the sum is 35.

The square root of 191297114 is about 13831.0199913094. The cubic root of 191297114 is about 576.1949832585.

The spelling of 191297114 in words is "one hundred ninety-one million, two hundred ninety-seven thousand, one hundred fourteen".