42134443133 has 2 divisors, whose sum is σ = 42134443134. Its totient is φ = 42134443132.

The previous prime is 42134443123. The next prime is 42134443147. The reversal of 42134443133 is 33134443124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28206194809 + 13928248324 = 167947^2 + 118018^2 .

It is a cyclic number.

It is not a de Polignac number, because 42134443133 - 2⁶ = 42134443069 is a prime.

It is a super-2 number, since 2×42134443133² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42134443133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42134443123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067221566 + 21067221567.

It is an arithmetic number, because the mean of its divisors is an integer number (21067221567).

Almost surely, 2^42134443133 is an apocalyptic number.

It is an amenable number.

42134443133 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134443133 is an equidigital number, since it uses as much as digits as its factorization.

42134443133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 32.

Adding to 42134443133 its reverse (33134443124), we get a palindrome (75268886257).

Subtracting from 42134443133 its reverse (33134443124), we obtain a palindrome (9000000009).

The spelling of 42134443133 in words is "forty-two billion, one hundred thirty-four million, four hundred forty-three thousand, one hundred thirty-three".