42134071 has 24 divisors (see below), whose sum is σ = 51300000. Its totient is φ = 34461504.

The previous prime is 42134051. The next prime is 42134087. The reversal of 42134071 is 17043124.

42134071 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 42134071 - 2⁷ = 42133943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42134021) 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 23 ways as a sum of consecutive naturals, for example, 211630 + ... + 211828.

It is an arithmetic number, because the mean of its divisors is an integer number (2137500).

Almost surely, 2^42134071 is an apocalyptic number.

42134071 is a deficient number, since it is larger than the sum of its proper divisors (9165929).

42134071 is a wasteful number, since it uses less digits than its factorization.

42134071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 42134071 is about 6491.0762589882. The cubic root of 42134071 is about 347.9721401707.

Adding to 42134071 its reverse (17043124), we get a palindrome (59177195).

The spelling of 42134071 in words is "forty-two million, one hundred thirty-four thousand, seventy-one".