138851327 has 2 divisors, whose sum is σ = 138851328. Its totient is φ = 138851326.

The previous prime is 138851309. The next prime is 138851347. The reversal of 138851327 is 723158831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138851327 - 2¹⁸ = 138589183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (138851347) 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, 69425663 + 69425664.

It is an arithmetic number, because the mean of its divisors is an integer number (69425664).

Almost surely, 2^138851327 is an apocalyptic number.

138851327 is a deficient number, since it is larger than the sum of its proper divisors (1).

138851327 is an equidigital number, since it uses as much as digits as its factorization.

138851327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 38.

The square root of 138851327 is about 11783.5192960338. The cubic root of 138851327 is about 517.8253947075.

The spelling of 138851327 in words is "one hundred thirty-eight million, eight hundred fifty-one thousand, three hundred twenty-seven".