42133191 has 16 divisors (see below), whose sum is σ = 60302304. Its totient is φ = 26072064.

The previous prime is 42133159. The next prime is 42133193. The reversal of 42133191 is 19133124.

42133191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42133191 - 2⁵ = 42133159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42133193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936 + ... + 9381.

It is an arithmetic number, because the mean of its divisors is an integer number (3768894).

Almost surely, 2^42133191 is an apocalyptic number.

42133191 is a deficient number, since it is larger than the sum of its proper divisors (18169113).

42133191 is a wasteful number, since it uses less digits than its factorization.

42133191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11410.

The product of its digits is 648, while the sum is 24.

The square root of 42133191 is about 6491.0084732652. The cubic root of 42133191 is about 347.9697176054.

It can be divided in two parts, 42133 and 191, that added together give a palindrome (42324).

The spelling of 42133191 in words is "forty-two million, one hundred thirty-three thousand, one hundred ninety-one".