138018301313 has 2 divisors, whose sum is σ = 138018301314. Its totient is φ = 138018301312.

The previous prime is 138018301193. The next prime is 138018301363. The reversal of 138018301313 is 313103810831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88713431104 + 49304870209 = 297848^2 + 222047^2 .

It is a cyclic number.

It is not a de Polignac number, because 138018301313 - 2¹² = 138018297217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 138018301313.

It is not a weakly prime, because it can be changed into another prime (138018301363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69009150656 + 69009150657.

It is an arithmetic number, because the mean of its divisors is an integer number (69009150657).

Almost surely, 2^138018301313 is an apocalyptic number.

It is an amenable number.

138018301313 is a deficient number, since it is larger than the sum of its proper divisors (1).

138018301313 is an equidigital number, since it uses as much as digits as its factorization.

138018301313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 138018301313 in words is "one hundred thirty-eight billion, eighteen million, three hundred one thousand, three hundred thirteen".