1300444144 has 10 divisors (see below), whose sum is σ = 2519610560. Its totient is φ = 650222064.

The previous prime is 1300444139. The next prime is 1300444169. The reversal of 1300444144 is 4414440031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40638864 + ... + 40638895.

It is an arithmetic number, because the mean of its divisors is an integer number (251961056).

Almost surely, 2^1300444144 is an apocalyptic number.

It is an amenable number.

1300444144 is a deficient number, since it is larger than the sum of its proper divisors (1219166416).

1300444144 is an equidigital number, since it uses as much as digits as its factorization.

1300444144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81277767 (or 81277761 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1300444144 is about 36061.6713977597. The cubic root of 1300444144 is about 1091.5171600888.

Adding to 1300444144 its reverse (4414440031), we get a palindrome (5714884175).

The spelling of 1300444144 in words is "one billion, three hundred million, four hundred forty-four thousand, one hundred forty-four".