130398643 has 2 divisors, whose sum is σ = 130398644. Its totient is φ = 130398642.

The previous prime is 130398641. The next prime is 130398677. The reversal of 130398643 is 346893031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130398643 - 2¹ = 130398641 is a prime.

Together with 130398641, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130398641) 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, 65199321 + 65199322.

It is an arithmetic number, because the mean of its divisors is an integer number (65199322).

Almost surely, 2^130398643 is an apocalyptic number.

130398643 is a deficient number, since it is larger than the sum of its proper divisors (1).

130398643 is an equidigital number, since it uses as much as digits as its factorization.

130398643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 130398643 is about 11419.2225216956. Note that the first 3 decimals coincide. The cubic root of 130398643 is about 507.0969798157.

The spelling of 130398643 in words is "one hundred thirty million, three hundred ninety-eight thousand, six hundred forty-three".