42531134 has 8 divisors (see below), whose sum is σ = 64027848. Its totient is φ = 21188520.

The previous prime is 42531133. The next prime is 42531169. The reversal of 42531134 is 43113524.

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 (42531133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37832 + ... + 38939.

It is an arithmetic number, because the mean of its divisors is an integer number (8003481).

Almost surely, 2^42531134 is an apocalyptic number.

42531134 is a deficient number, since it is larger than the sum of its proper divisors (21496714).

42531134 is a wasteful number, since it uses less digits than its factorization.

42531134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77050.

The product of its digits is 1440, while the sum is 23.

The square root of 42531134 is about 6521.5898368419. The cubic root of 42531134 is about 349.0617975259.

Adding to 42531134 its reverse (43113524), we get a palindrome (85644658).

The spelling of 42531134 in words is "forty-two million, five hundred thirty-one thousand, one hundred thirty-four".