130445429 has 2 divisors, whose sum is σ = 130445430. Its totient is φ = 130445428.

The previous prime is 130445417. The next prime is 130445459. The reversal of 130445429 is 924544031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85192900 + 45252529 = 9230^2 + 6727^2 .

It is a cyclic number.

It is not a de Polignac number, because 130445429 - 2⁸ = 130445173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130445395 and 130445404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130445459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65222714 + 65222715.

It is an arithmetic number, because the mean of its divisors is an integer number (65222715).

Almost surely, 2^130445429 is an apocalyptic number.

It is an amenable number.

130445429 is a deficient number, since it is larger than the sum of its proper divisors (1).

130445429 is an equidigital number, since it uses as much as digits as its factorization.

130445429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 130445429 is about 11421.2709012614. The cubic root of 130445429 is about 507.1576200235.

The spelling of 130445429 in words is "one hundred thirty million, four hundred forty-five thousand, four hundred twenty-nine".