130556449 has 2 divisors, whose sum is σ = 130556450. Its totient is φ = 130556448.

The previous prime is 130556443. The next prime is 130556497. The reversal of 130556449 is 944655031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124724224 + 5832225 = 11168^2 + 2415^2 .

It is a cyclic number.

It is not a de Polignac number, because 130556449 - 2⁵ = 130556417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (130556443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65278224 + 65278225.

It is an arithmetic number, because the mean of its divisors is an integer number (65278225).

Almost surely, 2^130556449 is an apocalyptic number.

It is an amenable number.

130556449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130556449 is an equidigital number, since it uses as much as digits as its factorization.

130556449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 130556449 is about 11426.1300972814. The cubic root of 130556449 is about 507.3014571147.

The spelling of 130556449 in words is "one hundred thirty million, five hundred fifty-six thousand, four hundred forty-nine".