1313340868 has 24 divisors (see below), whose sum is σ = 2634270912. Its totient is φ = 561234144.

The previous prime is 1313340859. The next prime is 1313340869. The reversal of 1313340868 is 8680433131.

It is not an unprimeable number, because it can be changed into a prime (1313340869) 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, 57871 + ... + 77302.

It is an arithmetic number, because the mean of its divisors is an integer number (109761288).

Almost surely, 2^1313340868 is an apocalyptic number.

It is an amenable number.

1313340868 is an abundant number, since it is smaller than the sum of its proper divisors (1320930044).

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

1313340868 is a wasteful number, since it uses less digits than its factorization.

1313340868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135531 (or 135529 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 1313340868 is about 36240.0450882722. The cubic root of 1313340868 is about 1095.1135507718.

Adding to 1313340868 its reverse (8680433131), we get a palindrome (9993773999).

The spelling of 1313340868 in words is "one billion, three hundred thirteen million, three hundred forty thousand, eight hundred sixty-eight".