1318813120 has 28 divisors (see below), whose sum is σ = 3140424504. Its totient is φ = 527525120.

The previous prime is 1318813117. The next prime is 1318813121. The reversal of 1318813120 is 213188131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318813121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2060326 + ... + 2060965.

It is an arithmetic number, because the mean of its divisors is an integer number (112158018).

Almost surely, 2^1318813120 is an apocalyptic number.

1318813120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1318813120 is an abundant number, since it is smaller than the sum of its proper divisors (1821611384).

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

1318813120 is an equidigital number, since it uses as much as digits as its factorization.

1318813120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4121308 (or 4121298 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1318813120 is about 36315.4666774365. The cubic root of 1318813120 is about 1096.6324337554.

The spelling of 1318813120 in words is "one billion, three hundred eighteen million, eight hundred thirteen thousand, one hundred twenty".