506020040133 has 4 divisors (see below), whose sum is σ = 674693386848. Its totient is φ = 337346693420.

The previous prime is 506020040117. The next prime is 506020040143. The reversal of 506020040133 is 331040020605.

It is a happy number.

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 506020040133 - 2⁴ = 506020040117 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 (506020040143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84336673353 + ... + 84336673358.

It is an arithmetic number, because the mean of its divisors is an integer number (168673346712).

Almost surely, 2^506020040133 is an apocalyptic number.

It is an amenable number.

506020040133 is a deficient number, since it is larger than the sum of its proper divisors (168673346715).

506020040133 is a wasteful number, since it uses less digits than its factorization.

506020040133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168673346714.

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

Adding to 506020040133 its reverse (331040020605), we get a palindrome (837060060738).

The spelling of 506020040133 in words is "five hundred six billion, twenty million, forty thousand, one hundred thirty-three".