620132134213 has 4 divisors (see below), whose sum is σ = 641516000940. Its totient is φ = 598748267488.

The previous prime is 620132134199. The next prime is 620132134241. The reversal of 620132134213 is 312431231026.

It is a happy number.

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 528124865284 + 92007268929 = 726722^2 + 303327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620132134213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620132134283) 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, 10691933320 + ... + 10691933377.

It is an arithmetic number, because the mean of its divisors is an integer number (160379000235).

Almost surely, 2^620132134213 is an apocalyptic number.

It is an amenable number.

620132134213 is a deficient number, since it is larger than the sum of its proper divisors (21383866727).

620132134213 is a wasteful number, since it uses less digits than its factorization.

620132134213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21383866726.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 620132134213 its reverse (312431231026), we get a palindrome (932563365239).

The spelling of 620132134213 in words is "six hundred twenty billion, one hundred thirty-two million, one hundred thirty-four thousand, two hundred thirteen".