130378643 has 2 divisors, whose sum is σ = 130378644. Its totient is φ = 130378642.

The previous prime is 130378621. The next prime is 130378669. The reversal of 130378643 is 346873031.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130378643 - 2⁶ = 130378579 is a prime.

It is not a weakly prime, because it can be changed into another prime (130378603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65189321 + 65189322.

It is an arithmetic number, because the mean of its divisors is an integer number (65189322).

Almost surely, 2^130378643 is an apocalyptic number.

130378643 is a deficient number, since it is larger than the sum of its proper divisors (1).

130378643 is an equidigital number, since it uses as much as digits as its factorization.

130378643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 130378643 is about 11418.3467717529. The cubic root of 130378643 is about 507.0710530169.

The spelling of 130378643 in words is "one hundred thirty million, three hundred seventy-eight thousand, six hundred forty-three".