130421449 has 2 divisors, whose sum is σ = 130421450. Its totient is φ = 130421448.

The previous prime is 130421429. The next prime is 130421461. The reversal of 130421449 is 944124031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 128981449 + 1440000 = 11357^2 + 1200^2 .

It is an emirp because it is prime and its reverse (944124031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 130421449 - 2⁷ = 130421321 is a prime.

It is not a weakly prime, because it can be changed into another prime (130421419) 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, 65210724 + 65210725.

It is an arithmetic number, because the mean of its divisors is an integer number (65210725).

Almost surely, 2^130421449 is an apocalyptic number.

It is an amenable number.

130421449 is a deficient number, since it is larger than the sum of its proper divisors (1).

130421449 is an equidigital number, since it uses as much as digits as its factorization.

130421449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 130421449 is about 11420.2210574051. The cubic root of 130421449 is about 507.1265409096.

The spelling of 130421449 in words is "one hundred thirty million, four hundred twenty-one thousand, four hundred forty-nine".