1313360240 has 20 divisors (see below), whose sum is σ = 3053562744. Its totient is φ = 525344064.

The previous prime is 1313360233. The next prime is 1313360249. The reversal of 1313360240 is 420633131.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313360249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8208422 + ... + 8208581.

Almost surely, 2^1313360240 is an apocalyptic number.

1313360240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313360240 is an abundant number, since it is smaller than the sum of its proper divisors (1740202504).

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

1313360240 is a wasteful number, since it uses less digits than its factorization.

1313360240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417016 (or 16417010 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 1313360240 is about 36240.3123606848. The cubic root of 1313360240 is about 1095.1189351154.

Adding to 1313360240 its reverse (420633131), we get a palindrome (1733993371).

The spelling of 1313360240 in words is "one billion, three hundred thirteen million, three hundred sixty thousand, two hundred forty".