138200207 has 2 divisors, whose sum is σ = 138200208. Its totient is φ = 138200206.

The previous prime is 138200171. The next prime is 138200213. The reversal of 138200207 is 702002831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138200207 - 2²² = 134005903 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138200707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69100103 + 69100104.

It is an arithmetic number, because the mean of its divisors is an integer number (69100104).

Almost surely, 2^138200207 is an apocalyptic number.

138200207 is a deficient number, since it is larger than the sum of its proper divisors (1).

138200207 is an equidigital number, since it uses as much as digits as its factorization.

138200207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 138200207 is about 11755.8584118728. The cubic root of 138200207 is about 517.0147077564.

The spelling of 138200207 in words is "one hundred thirty-eight million, two hundred thousand, two hundred seven".