9135289 has 2 divisors, whose sum is σ = 9135290. Its totient is φ = 9135288.

The previous prime is 9135283. The next prime is 9135311. The reversal of 9135289 is 9825319.

9135289 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., 8294400 + 840889 = 2880^2 + 917^2 .

It is a cyclic number.

It is not a de Polignac number, because 9135289 - 2³ = 9135281 is a prime.

It is a super-2 number, since 2×9135289² = 166907010227042, which contains 22 as substring.

It is an Ulam number.

9135289 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (9135281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4567644 + 4567645.

It is an arithmetic number, because the mean of its divisors is an integer number (4567645).

Almost surely, 2^9135289 is an apocalyptic number.

It is an amenable number.

9135289 is a deficient number, since it is larger than the sum of its proper divisors (1).

9135289 is an equidigital number, since it uses as much as digits as its factorization.

9135289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 37.

The square root of 9135289 is about 3022.4640609939. The cubic root of 9135289 is about 209.0454713605.

The spelling of 9135289 in words is "nine million, one hundred thirty-five thousand, two hundred eighty-nine".