42213134 has 8 divisors (see below), whose sum is σ = 65362368. Its totient is φ = 20425680.

The previous prime is 42213133. The next prime is 42213137. The reversal of 42213134 is 43131224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340367 + ... + 340490.

It is an arithmetic number, because the mean of its divisors is an integer number (8170296).

Almost surely, 2^42213134 is an apocalyptic number.

42213134 is a deficient number, since it is larger than the sum of its proper divisors (23149234).

42213134 is a wasteful number, since it uses less digits than its factorization.

42213134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680890.

The product of its digits is 576, while the sum is 20.

The square root of 42213134 is about 6497.1635349589. The cubic root of 42213134 is about 348.1896563862.

Adding to 42213134 its reverse (43131224), we get a palindrome (85344358).

The spelling of 42213134 in words is "forty-two million, two hundred thirteen thousand, one hundred thirty-four".