9138071 has 2 divisors, whose sum is σ = 9138072. Its totient is φ = 9138070.

The previous prime is 9138049. The next prime is 9138083. The reversal of 9138071 is 1708319.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9138071 - 2⁶ = 9138007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9138091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569035 + 4569036.

It is an arithmetic number, because the mean of its divisors is an integer number (4569036).

Almost surely, 2^9138071 is an apocalyptic number.

9138071 is a deficient number, since it is larger than the sum of its proper divisors (1).

9138071 is an equidigital number, since it uses as much as digits as its factorization.

9138071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 9138071 is about 3022.9242464872. The cubic root of 9138071 is about 209.0666896447.

The spelling of 9138071 in words is "nine million, one hundred thirty-eight thousand, seventy-one".