1318299888 has 20 divisors (see below), whose sum is σ = 3405608168. Its totient is φ = 439433280.

The previous prime is 1318299887. The next prime is 1318299889. The reversal of 1318299888 is 8889928131.

It is an interprime number because it is at equal distance from previous prime (1318299887) and next prime (1318299889).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1318299887) 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, 13732243 + ... + 13732338.

Almost surely, 2^1318299888 is an apocalyptic number.

It is an amenable number.

1318299888 is an abundant number, since it is smaller than the sum of its proper divisors (2087308280).

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

1318299888 is a wasteful number, since it uses less digits than its factorization.

1318299888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27464592 (or 27464586 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 57.

The square root of 1318299888 is about 36308.3996893281. The cubic root of 1318299888 is about 1096.4901593940.

The spelling of 1318299888 in words is "one billion, three hundred eighteen million, two hundred ninety-nine thousand, eight hundred eighty-eight".