138014841529 has 2 divisors, whose sum is σ = 138014841530. Its totient is φ = 138014841528.

The previous prime is 138014841521. The next prime is 138014841541. The reversal of 138014841529 is 925148410831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137605386304 + 409455225 = 370952^2 + 20235^2 .

It is a cyclic number.

It is not a de Polignac number, because 138014841529 - 2³ = 138014841521 is a prime.

It is not a weakly prime, because it can be changed into another prime (138014841521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69007420764 + 69007420765.

It is an arithmetic number, because the mean of its divisors is an integer number (69007420765).

Almost surely, 2^138014841529 is an apocalyptic number.

It is an amenable number.

138014841529 is a deficient number, since it is larger than the sum of its proper divisors (1).

138014841529 is an equidigital number, since it uses as much as digits as its factorization.

138014841529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 138014841529 in words is "one hundred thirty-eight billion, fourteen million, eight hundred forty-one thousand, five hundred twenty-nine".