138941003 has 2 divisors, whose sum is σ = 138941004. Its totient is φ = 138941002.

The previous prime is 138940993. The next prime is 138941009. The reversal of 138941003 is 300149831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 138941003 - 2¹² = 138936907 is a prime.

It is not a weakly prime, because it can be changed into another prime (138941009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69470501 + 69470502.

It is an arithmetic number, because the mean of its divisors is an integer number (69470502).

Almost surely, 2^138941003 is an apocalyptic number.

138941003 is a deficient number, since it is larger than the sum of its proper divisors (1).

138941003 is an equidigital number, since it uses as much as digits as its factorization.

138941003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 138941003 is about 11787.3238268913. The cubic root of 138941003 is about 517.9368484900.

The spelling of 138941003 in words is "one hundred thirty-eight million, nine hundred forty-one thousand, three".