191007214 has 4 divisors (see below), whose sum is σ = 286510824. Its totient is φ = 95503606.

The previous prime is 191007211. The next prime is 191007251. The reversal of 191007214 is 412700191.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191007211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47751802 + ... + 47751805.

It is an arithmetic number, because the mean of its divisors is an integer number (71627706).

Almost surely, 2^191007214 is an apocalyptic number.

191007214 is a deficient number, since it is larger than the sum of its proper divisors (95503610).

191007214 is an equidigital number, since it uses as much as digits as its factorization.

191007214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95503609.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 191007214 is about 13820.5359519810. The cubic root of 191007214 is about 575.9037724248.

The spelling of 191007214 in words is "one hundred ninety-one million, seven thousand, two hundred fourteen".