191738242 has 8 divisors (see below), whose sum is σ = 287964432. Its totient is φ = 95750100.

The previous prime is 191738237. The next prime is 191738273. The reversal of 191738242 is 242837191.

191738242 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57484 + ... + 60727.

It is an arithmetic number, because the mean of its divisors is an integer number (35995554).

Almost surely, 2^191738242 is an apocalyptic number.

191738242 is a deficient number, since it is larger than the sum of its proper divisors (96226190).

191738242 is a wasteful number, since it uses less digits than its factorization.

191738242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119024.

The product of its digits is 24192, while the sum is 37.

The square root of 191738242 is about 13846.9578608444. The cubic root of 191738242 is about 576.6375419745.

The spelling of 191738242 in words is "one hundred ninety-one million, seven hundred thirty-eight thousand, two hundred forty-two".