42002133 has 4 divisors (see below), whose sum is σ = 56002848. Its totient is φ = 28001420.

The previous prime is 42002119. The next prime is 42002143. The reversal of 42002133 is 33120024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42002133 - 2⁸ = 42001877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42002113) 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, 7000353 + ... + 7000358.

It is an arithmetic number, because the mean of its divisors is an integer number (14000712).

Almost surely, 2^42002133 is an apocalyptic number.

It is an amenable number.

42002133 is a deficient number, since it is larger than the sum of its proper divisors (14000715).

42002133 is a wasteful number, since it uses less digits than its factorization.

42002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000714.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 42002133 is about 6480.9052608413. The cubic root of 42002133 is about 347.6085488056.

Adding to 42002133 its reverse (33120024), we get a palindrome (75122157).

The spelling of 42002133 in words is "forty-two million, two thousand, one hundred thirty-three".