1368128986 has 16 divisors (see below), whose sum is σ = 2346206400. Its totient is φ = 586130400.

The previous prime is 1368128899. The next prime is 1368128999. The reversal of 1368128986 is 6898218631.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26661 + ... + 58711.

It is an arithmetic number, because the mean of its divisors is an integer number (146637900).

Almost surely, 2^1368128986 is an apocalyptic number.

1368128986 is a deficient number, since it is larger than the sum of its proper divisors (978077414).

1368128986 is a wasteful number, since it uses less digits than its factorization.

1368128986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35109.

The product of its digits is 995328, while the sum is 52.

The square root of 1368128986 is about 36988.2276677323. The cubic root of 1368128986 is about 1110.1347091874.

The spelling of 1368128986 in words is "one billion, three hundred sixty-eight million, one hundred twenty-eight thousand, nine hundred eighty-six".