138512163143 has 2 divisors, whose sum is σ = 138512163144. Its totient is φ = 138512163142.

The previous prime is 138512163137. The next prime is 138512163157. The reversal of 138512163143 is 341361215831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138512163143 - 2³⁴ = 121332293959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 138512163097 and 138512163106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138512163113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69256081571 + 69256081572.

It is an arithmetic number, because the mean of its divisors is an integer number (69256081572).

Almost surely, 2^138512163143 is an apocalyptic number.

138512163143 is a deficient number, since it is larger than the sum of its proper divisors (1).

138512163143 is an equidigital number, since it uses as much as digits as its factorization.

138512163143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

Adding to 138512163143 its reverse (341361215831), we get a palindrome (479873378974).

The spelling of 138512163143 in words is "one hundred thirty-eight billion, five hundred twelve million, one hundred sixty-three thousand, one hundred forty-three".