42134 has 4 divisors (see below), whose sum is σ = 63204. Its totient is φ = 21066.

The previous prime is 42131. The next prime is 42139. The reversal of 42134 is 43124.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10532 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (15801).

2⁴²¹³⁴ is an apocalyptic number.

42134 is a deficient number, since it is larger than the sum of its proper divisors (21070).

42134 is a wasteful number, since it uses less digits than its factorization.

42134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21069.

The product of its digits is 96, while the sum is 14.

The square root of 42134 is about 205.2656814960. The cubic root of 42134 is about 34.7971944715.

Adding to 42134 its reverse (43124), we get a palindrome (85258).

Subtracting 42134 from its reverse (43124), we obtain a triangular number (990 = T₄₄).

The spelling of 42134 in words is "forty-two thousand, one hundred thirty-four".