130405244 has 6 divisors (see below), whose sum is σ = 228209184. Its totient is φ = 65202620.

The previous prime is 130405243. The next prime is 130405267. The reversal of 130405244 is 442504031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130405243) 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 as a sum of consecutive naturals, namely, 16300652 + ... + 16300659.

It is an arithmetic number, because the mean of its divisors is an integer number (38034864).

Almost surely, 2^130405244 is an apocalyptic number.

It is an amenable number.

130405244 is a deficient number, since it is larger than the sum of its proper divisors (97803940).

130405244 is a wasteful number, since it uses less digits than its factorization.

130405244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32601315 (or 32601313 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 130405244 is about 11419.5115482231. The cubic root of 130405244 is about 507.1055363738.

Adding to 130405244 its reverse (442504031), we get a palindrome (572909275).

The spelling of 130405244 in words is "one hundred thirty million, four hundred five thousand, two hundred forty-four".