42489134 has 8 divisors (see below), whose sum is σ = 64450080. Its totient is φ = 21005776.

The previous prime is 42489091. The next prime is 42489151. The reversal of 42489134 is 43198424.

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

It is a junction number, because it is equal to n+sod(n) for n = 42489094 and 42489103.

It is a congruent number.

It is an unprimeable number.

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, 119174 + ... + 119529.

It is an arithmetic number, because the mean of its divisors is an integer number (8056260).

Almost surely, 2^42489134 is an apocalyptic number.

42489134 is a deficient number, since it is larger than the sum of its proper divisors (21960946).

42489134 is a wasteful number, since it uses less digits than its factorization.

42489134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238794.

The product of its digits is 27648, while the sum is 35.

The square root of 42489134 is about 6518.3689677710. The cubic root of 42489134 is about 348.9468587927.

The spelling of 42489134 in words is "forty-two million, four hundred eighty-nine thousand, one hundred thirty-four".