130436641 has 2 divisors, whose sum is σ = 130436642. Its totient is φ = 130436640.

The previous prime is 130436639. The next prime is 130436659. The reversal of 130436641 is 146634031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123676641 + 6760000 = 11121^2 + 2600^2 .

It is a cyclic number.

It is not a de Polignac number, because 130436641 - 2¹ = 130436639 is a prime.

Together with 130436639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (130436041) 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, 65218320 + 65218321.

It is an arithmetic number, because the mean of its divisors is an integer number (65218321).

Almost surely, 2^130436641 is an apocalyptic number.

It is an amenable number.

130436641 is a deficient number, since it is larger than the sum of its proper divisors (1).

130436641 is an equidigital number, since it uses as much as digits as its factorization.

130436641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 130436641 is about 11420.8861740235. The cubic root of 130436641 is about 507.1462308388.

The spelling of 130436641 in words is "one hundred thirty million, four hundred thirty-six thousand, six hundred forty-one".