138324290207 has 2 divisors, whose sum is σ = 138324290208. Its totient is φ = 138324290206.

The previous prime is 138324290177. The next prime is 138324290213. The reversal of 138324290207 is 702092423831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138324290207 - 2²⁰ = 138323241631 is a prime.

It is a super-2 number, since 2×138324290207² (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 (138324290227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69162145103 + 69162145104.

It is an arithmetic number, because the mean of its divisors is an integer number (69162145104).

Almost surely, 2^138324290207 is an apocalyptic number.

138324290207 is a deficient number, since it is larger than the sum of its proper divisors (1).

138324290207 is an equidigital number, since it uses as much as digits as its factorization.

138324290207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 138324290207 in words is "one hundred thirty-eight billion, three hundred twenty-four million, two hundred ninety thousand, two hundred seven".