138011756316227 has 2 divisors, whose sum is σ = 138011756316228. Its totient is φ = 138011756316226.

The previous prime is 138011756316167. The next prime is 138011756316251. The reversal of 138011756316227 is 722613657110831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138011756316227 is a prime.

It is not a weakly prime, because it can be changed into another prime (138011756316277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69005878158113 + 69005878158114.

It is an arithmetic number, because the mean of its divisors is an integer number (69005878158114).

Almost surely, 2^{138011756316227} is an apocalyptic number.

138011756316227 is a deficient number, since it is larger than the sum of its proper divisors (1).

138011756316227 is an equidigital number, since it uses as much as digits as its factorization.

138011756316227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The spelling of 138011756316227 in words is "one hundred thirty-eight trillion, eleven billion, seven hundred fifty-six million, three hundred sixteen thousand, two hundred twenty-seven".