42340134 has 8 divisors (see below), whose sum is σ = 84680280. Its totient is φ = 14113376.

The previous prime is 42340127. The next prime is 42340139. The reversal of 42340134 is 43104324.

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

42340134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42340134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42340139) 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, 3528339 + ... + 3528350.

It is an arithmetic number, because the mean of its divisors is an integer number (10585035).

Almost surely, 2^42340134 is an apocalyptic number.

42340134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42340134 is a wasteful number, since it uses less digits than its factorization.

42340134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056694.

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

The square root of 42340134 is about 6506.9296907220. The cubic root of 42340134 is about 348.5384879002.

Adding to 42340134 its reverse (43104324), we get a palindrome (85444458).

The spelling of 42340134 in words is "forty-two million, three hundred forty thousand, one hundred thirty-four".