130215289 has 2 divisors, whose sum is σ = 130215290. Its totient is φ = 130215288.

The previous prime is 130215287. The next prime is 130215311. The reversal of 130215289 is 982512031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127509264 + 2706025 = 11292^2 + 1645^2 .

It is a cyclic number.

It is not a de Polignac number, because 130215289 - 2¹ = 130215287 is a prime.

Together with 130215287, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 130215289.

It is not a weakly prime, because it can be changed into another prime (130215287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65107644 + 65107645.

It is an arithmetic number, because the mean of its divisors is an integer number (65107645).

Almost surely, 2^130215289 is an apocalyptic number.

It is an amenable number.

130215289 is a deficient number, since it is larger than the sum of its proper divisors (1).

130215289 is an equidigital number, since it uses as much as digits as its factorization.

130215289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 130215289 is about 11411.1913926636. The cubic root of 130215289 is about 506.8591913679.

The spelling of 130215289 in words is "one hundred thirty million, two hundred fifteen thousand, two hundred eighty-nine".