130421429 has 2 divisors, whose sum is σ = 130421430. Its totient is φ = 130421428.

The previous prime is 130421419. The next prime is 130421449. The reversal of 130421429 is 924124031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102616900 + 27804529 = 10130^2 + 5273^2 .

It is a cyclic number.

It is not a de Polignac number, because 130421429 - 2⁸ = 130421173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130421398 and 130421407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130421419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65210714 + 65210715.

It is an arithmetic number, because the mean of its divisors is an integer number (65210715).

Almost surely, 2^130421429 is an apocalyptic number.

It is an amenable number.

130421429 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421429 is an equidigital number, since it uses as much as digits as its factorization.

130421429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 130421429 is about 11420.2201817653. The cubic root of 130421429 is about 507.1265149871.

The spelling of 130421429 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred twenty-nine".