130044646 has 8 divisors (see below), whose sum is σ = 195186240. Its totient is φ = 64982568.

The previous prime is 130044643. The next prime is 130044689. The reversal of 130044646 is 646440031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130044643) 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 in 3 ways as a sum of consecutive naturals, for example, 15606 + ... + 22441.

It is an arithmetic number, because the mean of its divisors is an integer number (24398280).

Almost surely, 2^130044646 is an apocalyptic number.

130044646 is a deficient number, since it is larger than the sum of its proper divisors (65141594).

130044646 is a wasteful number, since it uses less digits than its factorization.

130044646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39758.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 130044646 is about 11403.7119395397. The cubic root of 130044646 is about 506.6376869582.

Adding to 130044646 its reverse (646440031), we get a palindrome (776484677).

The spelling of 130044646 in words is "one hundred thirty million, forty-four thousand, six hundred forty-six".