130005449 has 16 divisors (see below), whose sum is σ = 152530560. Its totient is φ = 108501120.

The previous prime is 130005437. The next prime is 130005451. The reversal of 130005449 is 944500031.

It is not a de Polignac number, because 130005449 - 2¹² = 130001353 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130005419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50309 + ... + 52829.

It is an arithmetic number, because the mean of its divisors is an integer number (9533160).

Almost surely, 2^130005449 is an apocalyptic number.

It is an amenable number.

130005449 is a deficient number, since it is larger than the sum of its proper divisors (22525111).

130005449 is a wasteful number, since it uses less digits than its factorization.

130005449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 130005449 is about 11401.9932029448. The cubic root of 130005449 is about 506.5867796389.

The spelling of 130005449 in words is "one hundred thirty million, five thousand, four hundred forty-nine".