42656133 has 8 divisors (see below), whose sum is σ = 61249888. Its totient is φ = 26249904.

The previous prime is 42656123. The next prime is 42656147. The reversal of 42656133 is 33165624.

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

It is not a de Polignac number, because 42656133 - 2⁵ = 42656101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42656133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42656123) 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 7 ways as a sum of consecutive naturals, for example, 546835 + ... + 546912.

It is an arithmetic number, because the mean of its divisors is an integer number (7656236).

Almost surely, 2^42656133 is an apocalyptic number.

It is an amenable number.

42656133 is a deficient number, since it is larger than the sum of its proper divisors (18593755).

42656133 is a wasteful number, since it uses less digits than its factorization.

42656133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093763.

The product of its digits is 12960, while the sum is 30.

The square root of 42656133 is about 6531.1662817601. The cubic root of 42656133 is about 349.4034272608.

The spelling of 42656133 in words is "forty-two million, six hundred fifty-six thousand, one hundred thirty-three".