1314045640 has 32 divisors (see below), whose sum is σ = 3006720000. Its totient is φ = 516708544.

The previous prime is 1314045611. The next prime is 1314045671. The reversal of 1314045640 is 465404131.

It is a junction number, because it is equal to n+sod(n) for n = 1314045599 and 1314045608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276040 + ... + 280759.

It is an arithmetic number, because the mean of its divisors is an integer number (93960000).

Almost surely, 2^1314045640 is an apocalyptic number.

1314045640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314045640 is an abundant number, since it is smaller than the sum of its proper divisors (1692674360).

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

1314045640 is a wasteful number, since it uses less digits than its factorization.

1314045640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556869 (or 556865 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1314045640 is about 36249.7674475299. The cubic root of 1314045640 is about 1095.3094043060.

Adding to 1314045640 its reverse (465404131), we get a palindrome (1779449771).

The spelling of 1314045640 in words is "one billion, three hundred fourteen million, forty-five thousand, six hundred forty".