1368105888 has 96 divisors (see below), whose sum is σ = 3793692672. Its totient is φ = 431020800.

The previous prime is 1368105863. The next prime is 1368105899. The reversal of 1368105888 is 8885018631.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122623 + ... + 133313.

It is an arithmetic number, because the mean of its divisors is an integer number (39517632).

Almost surely, 2^1368105888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1368105888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896846336).

1368105888 is an abundant number, since it is smaller than the sum of its proper divisors (2425586784).

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

1368105888 is a wasteful number, since it uses less digits than its factorization.

1368105888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10778 (or 10770 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The square root of 1368105888 is about 36987.9154319353. The cubic root of 1368105888 is about 1110.1284617171.

The spelling of 1368105888 in words is "one billion, three hundred sixty-eight million, one hundred five thousand, eight hundred eighty-eight".