138027347 has 4 divisors (see below), whose sum is σ = 144028560. Its totient is φ = 132026136.

The previous prime is 138027293. The next prime is 138027359. The reversal of 138027347 is 743720831.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 138027347 - 2¹⁴ = 138010963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (138027047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000572 + ... + 3000617.

It is an arithmetic number, because the mean of its divisors is an integer number (36007140).

Almost surely, 2^138027347 is an apocalyptic number.

138027347 is a deficient number, since it is larger than the sum of its proper divisors (6001213).

138027347 is an equidigital number, since it uses as much as digits as its factorization.

138027347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6001212.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 138027347 is about 11748.5040324290. The cubic root of 138027347 is about 516.7990581760.

The spelling of 138027347 in words is "one hundred thirty-eight million, twenty-seven thousand, three hundred forty-seven".