138711122293 has 2 divisors, whose sum is σ = 138711122294. Its totient is φ = 138711122292.

The previous prime is 138711122273. The next prime is 138711122317. The reversal of 138711122293 is 392221117831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134408024689 + 4303097604 = 366617^2 + 65598^2 .

It is a cyclic number.

It is not a de Polignac number, because 138711122293 - 2³³ = 130121187701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138711122273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69355561146 + 69355561147.

It is an arithmetic number, because the mean of its divisors is an integer number (69355561147).

Almost surely, 2^138711122293 is an apocalyptic number.

It is an amenable number.

138711122293 is a deficient number, since it is larger than the sum of its proper divisors (1).

138711122293 is an equidigital number, since it uses as much as digits as its factorization.

138711122293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 40.

The spelling of 138711122293 in words is "one hundred thirty-eight billion, seven hundred eleven million, one hundred twenty-two thousand, two hundred ninety-three".