191417042 has 8 divisors (see below), whose sum is σ = 304015356. Its totient is φ = 90078592.

The previous prime is 191417029. The next prime is 191417047. The reversal of 191417042 is 240714191.

191417042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184389241 + 7027801 = 13579^2 + 2651^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 191416996 and 191417014.

It is not an unprimeable number, because it can be changed into a prime (191417047) 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, 2814923 + ... + 2814990.

Almost surely, 2^191417042 is an apocalyptic number.

191417042 is a deficient number, since it is larger than the sum of its proper divisors (112598314).

191417042 is a wasteful number, since it uses less digits than its factorization.

191417042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5629932.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 191417042 is about 13835.3547840307. The cubic root of 191417042 is about 576.3153675045.

The spelling of 191417042 in words is "one hundred ninety-one million, four hundred seventeen thousand, forty-two".