9138730039 has 2 divisors, whose sum is σ = 9138730040. Its totient is φ = 9138730038.

The previous prime is 9138730019. The next prime is 9138730061. The reversal of 9138730039 is 9300378319.

9138730039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9138730039 - 2⁷ = 9138729911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9138729977 and 9138730004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9138730019) 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 as a sum of consecutive naturals, namely, 4569365019 + 4569365020.

It is an arithmetic number, because the mean of its divisors is an integer number (4569365020).

Almost surely, 2^9138730039 is an apocalyptic number.

9138730039 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138730039 is an equidigital number, since it uses as much as digits as its factorization.

9138730039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 9138730039 is about 95596.7051681176. The cubic root of 9138730039 is about 2090.7171549720.

The spelling of 9138730039 in words is "nine billion, one hundred thirty-eight million, seven hundred thirty thousand, thirty-nine".