620132134189 has 2 divisors, whose sum is σ = 620132134190. Its totient is φ = 620132134188.

The previous prime is 620132134159. The next prime is 620132134199. The reversal of 620132134189 is 981431231026.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 433925212900 + 186206921289 = 658730^2 + 431517^2 .

It is a cyclic number.

It is not a de Polignac number, because 620132134189 - 2⁵ = 620132134157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620132134159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310066067094 + 310066067095.

It is an arithmetic number, because the mean of its divisors is an integer number (310066067095).

Almost surely, 2^620132134189 is an apocalyptic number.

It is an amenable number.

620132134189 is a deficient number, since it is larger than the sum of its proper divisors (1).

620132134189 is an equidigital number, since it uses as much as digits as its factorization.

620132134189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 620132134189 in words is "six hundred twenty billion, one hundred thirty-two million, one hundred thirty-four thousand, one hundred eighty-nine".