42134856 has 32 divisors (see below), whose sum is σ = 110882400. Its totient is φ = 13305600.

The previous prime is 42134821. The next prime is 42134861. The reversal of 42134856 is 65843124.

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 7 ways as a sum of consecutive naturals, for example, 45745 + ... + 46656.

It is an arithmetic number, because the mean of its divisors is an integer number (3465075).

Almost surely, 2^42134856 is an apocalyptic number.

It is an amenable number.

42134856 is an abundant number, since it is smaller than the sum of its proper divisors (68747544).

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

42134856 is a wasteful number, since it uses less digits than its factorization.

42134856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92429 (or 92425 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 42134856 is about 6491.1367263369. The cubic root of 42134856 is about 347.9743011806.

The spelling of 42134856 in words is "forty-two million, one hundred thirty-four thousand, eight hundred fifty-six".