42056133 has 8 divisors (see below), whose sum is σ = 64085568. Its totient is φ = 24032064.

The previous prime is 42056093. The next prime is 42056143. The reversal of 42056133 is 33165024.

It is a happy number.

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

It is not a de Polignac number, because 42056133 - 2⁸ = 42055877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42056143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1001316 + ... + 1001357.

It is an arithmetic number, because the mean of its divisors is an integer number (8010696).

Almost surely, 2^42056133 is an apocalyptic number.

It is an amenable number.

42056133 is a deficient number, since it is larger than the sum of its proper divisors (22029435).

42056133 is a wasteful number, since it uses less digits than its factorization.

42056133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002683.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 42056133 is about 6485.0700073322. The cubic root of 42056133 is about 347.7574525381.

The spelling of 42056133 in words is "forty-two million, fifty-six thousand, one hundred thirty-three".