1303719664 has 80 divisors (see below), whose sum is σ = 2889940032. Its totient is φ = 564424704.

The previous prime is 1303719631. The next prime is 1303719689. The reversal of 1303719664 is 4669173031.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1778242 + ... + 1778974.

Almost surely, 2^1303719664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1303719664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1444970016).

1303719664 is an abundant number, since it is smaller than the sum of its proper divisors (1586220368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303719664 is a wasteful number, since it uses less digits than its factorization.

1303719664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 1303719664 is about 36107.0583681363. The cubic root of 1303719664 is about 1092.4328187180.

The spelling of 1303719664 in words is "one billion, three hundred three million, seven hundred nineteen thousand, six hundred sixty-four".