520130137 has 2 divisors, whose sum is σ = 520130138. Its totient is φ = 520130136.

The previous prime is 520130099. The next prime is 520130159. The reversal of 520130137 is 731031025.

It is an a-pointer prime, because the next prime (520130159) can be obtained adding 520130137 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349540416 + 170589721 = 18696^2 + 13061^2 .

It is a cyclic number.

It is not a de Polignac number, because 520130137 - 2²⁷ = 385912409 is a prime.

It is not a weakly prime, because it can be changed into another prime (520133137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260065068 + 260065069.

It is an arithmetic number, because the mean of its divisors is an integer number (260065069).

Almost surely, 2^520130137 is an apocalyptic number.

It is an amenable number.

520130137 is a deficient number, since it is larger than the sum of its proper divisors (1).

520130137 is an equidigital number, since it uses as much as digits as its factorization.

520130137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 520130137 is about 22806.3617659635. The cubic root of 520130137 is about 804.2122288389.

The spelling of 520130137 in words is "five hundred twenty million, one hundred thirty thousand, one hundred thirty-seven".