138002103 has 8 divisors (see below), whose sum is σ = 204447600. Its totient is φ = 92001384.

The previous prime is 138002087. The next prime is 138002129. The reversal of 138002103 is 301200831.

It is not a de Polignac number, because 138002103 - 2⁴ = 138002087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138002303) 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 7 ways as a sum of consecutive naturals, for example, 2555568 + ... + 2555621.

It is an arithmetic number, because the mean of its divisors is an integer number (25555950).

Almost surely, 2^138002103 is an apocalyptic number.

138002103 is a deficient number, since it is larger than the sum of its proper divisors (66445497).

138002103 is an equidigital number, since it uses as much as digits as its factorization.

138002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111198 (or 5111192 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 138002103 is about 11747.4296337539. The cubic root of 138002103 is about 516.7675502391.

Adding to 138002103 its reverse (301200831), we get a palindrome (439202934).

The spelling of 138002103 in words is "one hundred thirty-eight million, two thousand, one hundred three".