191042794 has 8 divisors (see below), whose sum is σ = 286735680. Its totient is φ = 95464236.

The previous prime is 191042791. The next prime is 191042833. The reversal of 191042794 is 497240191.

191042794 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (191042791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24274 + ... + 31165.

It is an arithmetic number, because the mean of its divisors is an integer number (35841960).

Almost surely, 2^191042794 is an apocalyptic number.

191042794 is a deficient number, since it is larger than the sum of its proper divisors (95692886).

191042794 is a wasteful number, since it uses less digits than its factorization.

191042794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57164.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 191042794 is about 13821.8231069566. The cubic root of 191042794 is about 575.9395291616.

The spelling of 191042794 in words is "one hundred ninety-one million, forty-two thousand, seven hundred ninety-four".