9139369 has 2 divisors, whose sum is σ = 9139370. Its totient is φ = 9139368.

The previous prime is 9139367. The next prime is 9139391. The reversal of 9139369 is 9639319.

9139369 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 can be written as a sum of positive squares in only one way, i.e., 8779369 + 360000 = 2963^2 + 600^2 .

It is an emirp because it is prime and its reverse (9639319) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9139369 - 2¹ = 9139367 is a prime.

It is a super-2 number, since 2×9139369² = 167056131436322, which contains 22 as substring.

Together with 9139367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9139363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4569684 + 4569685.

It is an arithmetic number, because the mean of its divisors is an integer number (4569685).

Almost surely, 2^9139369 is an apocalyptic number.

It is an amenable number.

9139369 is a deficient number, since it is larger than the sum of its proper divisors (1).

9139369 is an equidigital number, since it uses as much as digits as its factorization.

9139369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 39366, while the sum is 40.

The square root of 9139369 is about 3023.1389316404. The cubic root of 9139369 is about 209.0765880035.

It can be divided in two parts, 913936 and 9, that multiplied together give a square (8225424 = 2868²).

The spelling of 9139369 in words is "nine million, one hundred thirty-nine thousand, three hundred sixty-nine".