130044644 has 12 divisors (see below), whose sum is σ = 227673600. Its totient is φ = 64995048.

The previous prime is 130044643. The next prime is 130044689. The reversal of 130044644 is 446440031.

It is not an unprimeable number, because it can be changed into a prime (130044643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7037 + ... + 17595.

It is an arithmetic number, because the mean of its divisors is an integer number (18972800).

Almost surely, 2^130044644 is an apocalyptic number.

It is an amenable number.

130044644 is a deficient number, since it is larger than the sum of its proper divisors (97628956).

130044644 is a wasteful number, since it uses less digits than its factorization.

130044644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642 (or 13640 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 130044644 is about 11403.7118518489. The cubic root of 130044644 is about 506.6376843610.

Adding to 130044644 its reverse (446440031), we get a palindrome (576484675).

The spelling of 130044644 in words is "one hundred thirty million, forty-four thousand, six hundred forty-four".