1314689644 has 24 divisors (see below), whose sum is σ = 2315210688. Its totient is φ = 653214720.

The previous prime is 1314689609. The next prime is 1314689647. The reversal of 1314689644 is 4469864131.

It is a junction number, because it is equal to n+sod(n) for n = 1314689594 and 1314689603.

It is not an unprimeable number, because it can be changed into a prime (1314689647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476172 + ... + 478924.

It is an arithmetic number, because the mean of its divisors is an integer number (96467112).

Almost surely, 2^1314689644 is an apocalyptic number.

It is an amenable number.

1314689644 is a deficient number, since it is larger than the sum of its proper divisors (1000521044).

1314689644 is a wasteful number, since it uses less digits than its factorization.

1314689644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465 (or 3463 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 1314689644 is about 36258.6492302182. The cubic root of 1314689644 is about 1095.4883094148.

The spelling of 1314689644 in words is "one billion, three hundred fourteen million, six hundred eighty-nine thousand, six hundred forty-four".