130449249 has 24 divisors (see below), whose sum is σ = 220601472. Its totient is φ = 72722880.

The previous prime is 130449247. The next prime is 130449257. The reversal of 130449249 is 942944031.

It is not a de Polignac number, because 130449249 - 2¹ = 130449247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130449247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22669 + ... + 27834.

It is an arithmetic number, because the mean of its divisors is an integer number (9191728).

Almost surely, 2^130449249 is an apocalyptic number.

It is an amenable number.

130449249 is a deficient number, since it is larger than the sum of its proper divisors (90152223).

130449249 is a wasteful number, since it uses less digits than its factorization.

130449249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50557 (or 50554 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 130449249 is about 11421.4381318641. The cubic root of 130449249 is about 507.1625705565.

The spelling of 130449249 in words is "one hundred thirty million, four hundred forty-nine thousand, two hundred forty-nine".