130170289 has 2 divisors, whose sum is σ = 130170290. Its totient is φ = 130170288.

The previous prime is 130170281. The next prime is 130170319. The reversal of 130170289 is 982071031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117353889 + 12816400 = 10833^2 + 3580^2 .

It is a cyclic number.

It is not a de Polignac number, because 130170289 - 2³ = 130170281 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130170289.

It is not a weakly prime, because it can be changed into another prime (130170281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65085144 + 65085145.

It is an arithmetic number, because the mean of its divisors is an integer number (65085145).

Almost surely, 2^130170289 is an apocalyptic number.

It is an amenable number.

130170289 is a deficient number, since it is larger than the sum of its proper divisors (1).

130170289 is an equidigital number, since it uses as much as digits as its factorization.

130170289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 130170289 is about 11409.2194737414. The cubic root of 130170289 is about 506.8007975810.

The spelling of 130170289 in words is "one hundred thirty million, one hundred seventy thousand, two hundred eighty-nine".