130287499 has 2 divisors, whose sum is σ = 130287500. Its totient is φ = 130287498.

The previous prime is 130287497. The next prime is 130287529. The reversal of 130287499 is 994782031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130287499 - 2¹ = 130287497 is a prime.

Together with 130287497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130287497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65143749 + 65143750.

It is an arithmetic number, because the mean of its divisors is an integer number (65143750).

Almost surely, 2^130287499 is an apocalyptic number.

130287499 is a deficient number, since it is larger than the sum of its proper divisors (1).

130287499 is an equidigital number, since it uses as much as digits as its factorization.

130287499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 130287499 is about 11414.3549533033. The cubic root of 130287499 is about 506.9528658233.

The spelling of 130287499 in words is "one hundred thirty million, two hundred eighty-seven thousand, four hundred ninety-nine".