5135340209123 has 2 divisors, whose sum is σ = 5135340209124. Its totient is φ = 5135340209122.

The previous prime is 5135340209071. The next prime is 5135340209137. The reversal of 5135340209123 is 3219020435315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5135340209123 - 2¹² = 5135340205027 is a prime.

It is not a weakly prime, because it can be changed into another prime (5135340209423) 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 as a sum of consecutive naturals, namely, 2567670104561 + 2567670104562.

It is an arithmetic number, because the mean of its divisors is an integer number (2567670104562).

Almost surely, 2^{5135340209123} is an apocalyptic number.

5135340209123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5135340209123 is an equidigital number, since it uses as much as digits as its factorization.

5135340209123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 5135340209123 in words is "five trillion, one hundred thirty-five billion, three hundred forty million, two hundred nine thousand, one hundred twenty-three".