138297063 has 4 divisors (see below), whose sum is σ = 184396088. Its totient is φ = 92198040.

The previous prime is 138297043. The next prime is 138297109. The reversal of 138297063 is 360792831.

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

It is not a de Polignac number, because 138297063 - 2⁹ = 138296551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138297043) 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 in 3 ways as a sum of consecutive naturals, for example, 23049508 + ... + 23049513.

It is an arithmetic number, because the mean of its divisors is an integer number (46099022).

Almost surely, 2^138297063 is an apocalyptic number.

138297063 is a deficient number, since it is larger than the sum of its proper divisors (46099025).

138297063 is an equidigital number, since it uses as much as digits as its factorization.

138297063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46099024.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 138297063 is about 11759.9771683452. The cubic root of 138297063 is about 517.1354607899.

The spelling of 138297063 in words is "one hundred thirty-eight million, two hundred ninety-seven thousand, sixty-three".