42132133 has 4 divisors (see below), whose sum is σ = 43159788. Its totient is φ = 41104480.

The previous prime is 42132127. The next prime is 42132149. The reversal of 42132133 is 33123124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24137569 + 17994564 = 4913^2 + 4242^2 .

It is a cyclic number.

It is not a de Polignac number, because 42132133 - 2¹³ = 42123941 is a prime.

It is a super-2 number, since 2×42132133² = 3550233262259378, which contains 22 as substring.

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 42132133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42130133) 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 3 ways as a sum of consecutive naturals, for example, 513766 + ... + 513847.

It is an arithmetic number, because the mean of its divisors is an integer number (10789947).

Almost surely, 2^42132133 is an apocalyptic number.

It is an amenable number.

42132133 is a deficient number, since it is larger than the sum of its proper divisors (1027655).

42132133 is a wasteful number, since it uses less digits than its factorization.

42132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027654.

The product of its digits is 432, while the sum is 19.

The square root of 42132133 is about 6490.9269754019. The cubic root of 42132133 is about 347.9668049766.

Adding to 42132133 its reverse (33123124), we get a palindrome (75255257).

Subtracting from 42132133 its reverse (33123124), we obtain a palindrome (9009009).

The spelling of 42132133 in words is "forty-two million, one hundred thirty-two thousand, one hundred thirty-three".