130556443 has 2 divisors, whose sum is σ = 130556444. Its totient is φ = 130556442.

The previous prime is 130556417. The next prime is 130556449. The reversal of 130556443 is 344655031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130556443 - 2⁵ = 130556411 is a prime.

It is not a weakly prime, because it can be changed into another prime (130556449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65278221 + 65278222.

It is an arithmetic number, because the mean of its divisors is an integer number (65278222).

Almost surely, 2^130556443 is an apocalyptic number.

130556443 is a deficient number, since it is larger than the sum of its proper divisors (1).

130556443 is an equidigital number, since it uses as much as digits as its factorization.

130556443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 130556443 is about 11426.1298347253. The cubic root of 130556443 is about 507.3014493433.

The spelling of 130556443 in words is "one hundred thirty million, five hundred fifty-six thousand, four hundred forty-three".