191106742 has 16 divisors (see below), whose sum is σ = 289667952. Its totient is φ = 94556160.

The previous prime is 191106733. The next prime is 191106743. The reversal of 191106742 is 247601191.

191106742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191106743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82642 + ... + 84922.

It is an arithmetic number, because the mean of its divisors is an integer number (18104247).

Almost surely, 2^191106742 is an apocalyptic number.

191106742 is a deficient number, since it is larger than the sum of its proper divisors (98561210).

191106742 is a wasteful number, since it uses less digits than its factorization.

191106742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 191106742 is about 13824.1362117132. The cubic root of 191106742 is about 576.0037836525.

It can be divided in two parts, 19110 and 6742, that added together give a palindrome (25852).

The spelling of 191106742 in words is "one hundred ninety-one million, one hundred six thousand, seven hundred forty-two".