138282068413 has 2 divisors, whose sum is σ = 138282068414. Its totient is φ = 138282068412.

The previous prime is 138282068369. The next prime is 138282068459. The reversal of 138282068413 is 314860282831.

It is an a-pointer prime, because the next prime (138282068459) can be obtained adding 138282068413 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127561122649 + 10720945764 = 357157^2 + 103542^2 .

It is a cyclic number.

It is not a de Polignac number, because 138282068413 - 2²⁵ = 138248513981 is a prime.

It is a super-2 number, since 2×138282068413² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138282068473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69141034206 + 69141034207.

It is an arithmetic number, because the mean of its divisors is an integer number (69141034207).

Almost surely, 2^138282068413 is an apocalyptic number.

It is an amenable number.

138282068413 is a deficient number, since it is larger than the sum of its proper divisors (1).

138282068413 is an equidigital number, since it uses as much as digits as its factorization.

138282068413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 138282068413 in words is "one hundred thirty-eight billion, two hundred eighty-two million, sixty-eight thousand, four hundred thirteen".