9138803 has 2 divisors, whose sum is σ = 9138804. Its totient is φ = 9138802.

The previous prime is 9138757. The next prime is 9138839. The reversal of 9138803 is 3088319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9138803 - 2⁶ = 9138739 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9138803.

It is not a weakly prime, because it can be changed into another prime (9138853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569401 + 4569402.

It is an arithmetic number, because the mean of its divisors is an integer number (4569402).

Almost surely, 2^9138803 is an apocalyptic number.

9138803 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138803 is an equidigital number, since it uses as much as digits as its factorization.

9138803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 9138803 is about 3023.0453188796. The cubic root of 9138803 is about 209.0722718853.

The spelling of 9138803 in words is "nine million, one hundred thirty-eight thousand, eight hundred three".