138299062271 has 2 divisors, whose sum is σ = 138299062272. Its totient is φ = 138299062270.

The previous prime is 138299062229. The next prime is 138299062283. The reversal of 138299062271 is 172260992831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-138299062271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138299262271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69149531135 + 69149531136.

It is an arithmetic number, because the mean of its divisors is an integer number (69149531136).

Almost surely, 2^138299062271 is an apocalyptic number.

138299062271 is a deficient number, since it is larger than the sum of its proper divisors (1).

138299062271 is an equidigital number, since it uses as much as digits as its factorization.

138299062271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 138299062271 in words is "one hundred thirty-eight billion, two hundred ninety-nine million, sixty-two thousand, two hundred seventy-one".