13140289 has 2 divisors, whose sum is σ = 13140290. Its totient is φ = 13140288.

The previous prime is 13140271. The next prime is 13140293. The reversal of 13140289 is 98204131.

It is a happy number.

13140289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13082689 + 57600 = 3617^2 + 240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13140289 is a prime.

It is not a weakly prime, because it can be changed into another prime (13140209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6570144 + 6570145.

It is an arithmetic number, because the mean of its divisors is an integer number (6570145).

Almost surely, 2^13140289 is an apocalyptic number.

It is an amenable number.

13140289 is a deficient number, since it is larger than the sum of its proper divisors (1).

13140289 is an equidigital number, since it uses as much as digits as its factorization.

13140289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13140289 is about 3624.9536548762. The cubic root of 13140289 is about 235.9762556308.

The spelling of 13140289 in words is "thirteen million, one hundred forty thousand, two hundred eighty-nine".