1314365640 has 64 divisors (see below), whose sum is σ = 4506399360. Its totient is φ = 300426240.

The previous prime is 1314365627. The next prime is 1314365671. The reversal of 1314365640 is 465634131.

It is a super-2 number, since 2×1314365640² = 3455114071225219200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 781521 + ... + 783200.

It is an arithmetic number, because the mean of its divisors is an integer number (70412490).

Almost surely, 2^1314365640 is an apocalyptic number.

1314365640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314365640 is an abundant number, since it is smaller than the sum of its proper divisors (3192033720).

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

1314365640 is a wasteful number, since it uses less digits than its factorization.

1314365640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564742 (or 1564738 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1314365640 is about 36254.1810002653. The cubic root of 1314365640 is about 1095.3983080069.

Adding to 1314365640 its reverse (465634131), we get a palindrome (1779999771).

The spelling of 1314365640 in words is "one billion, three hundred fourteen million, three hundred sixty-five thousand, six hundred forty".