138230003 has 2 divisors, whose sum is σ = 138230004. Its totient is φ = 138230002.

The previous prime is 138229999. The next prime is 138230011. The reversal of 138230003 is 300032831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 138230003 - 2² = 138229999 is a prime.

It is a super-3 number, since 3×138230003³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (138230093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69115001 + 69115002.

It is an arithmetic number, because the mean of its divisors is an integer number (69115002).

Almost surely, 2^138230003 is an apocalyptic number.

138230003 is a deficient number, since it is larger than the sum of its proper divisors (1).

138230003 is an equidigital number, since it uses as much as digits as its factorization.

138230003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 138230003 is about 11757.1256266147. The cubic root of 138230003 is about 517.0518612542.

Adding to 138230003 its reverse (300032831), we get a palindrome (438262834).

The spelling of 138230003 in words is "one hundred thirty-eight million, two hundred thirty thousand, three".