1368481888 has 12 divisors (see below), whose sum is σ = 2694198780. Its totient is φ = 684240928.

The previous prime is 1368481883. The next prime is 1368481909. The reversal of 1368481888 is 8881848631.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368481883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21382498 + ... + 21382561.

It is an arithmetic number, because the mean of its divisors is an integer number (224516565).

Almost surely, 2^1368481888 is an apocalyptic number.

It is an amenable number.

1368481888 is a deficient number, since it is larger than the sum of its proper divisors (1325716892).

1368481888 is an equidigital number, since it uses as much as digits as its factorization.

1368481888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42765069 (or 42765061 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 55.

The square root of 1368481888 is about 36992.9978239126. The cubic root of 1368481888 is about 1110.2301522056.

The spelling of 1368481888 in words is "one billion, three hundred sixty-eight million, four hundred eighty-one thousand, eight hundred eighty-eight".