42043134 has 16 divisors (see below), whose sum is σ = 96098688. Its totient is φ = 12012312.

The previous prime is 42043117. The next prime is 42043139. The reversal of 42043134 is 43134024.

42043134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 42043134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42043139) 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 7 ways as a sum of consecutive naturals, for example, 500472 + ... + 500555.

It is an arithmetic number, because the mean of its divisors is an integer number (6006168).

Almost surely, 2^42043134 is an apocalyptic number.

42043134 is an abundant number, since it is smaller than the sum of its proper divisors (54055554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42043134 is a wasteful number, since it uses less digits than its factorization.

42043134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001039.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42043134 is about 6484.0677047668. The cubic root of 42043134 is about 347.7216197544.

Adding to 42043134 its reverse (43134024), we get a palindrome (85177158).

The spelling of 42043134 in words is "forty-two million, forty-three thousand, one hundred thirty-four".