1368404686 has 16 divisors (see below), whose sum is σ = 2239918848. Its totient is φ = 621804600.

The previous prime is 1368404683. The next prime is 1368404689. The reversal of 1368404686 is 6864048631.

It is an interprime number because it is at equal distance from previous prime (1368404683) and next prime (1368404689).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368404683) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 78571 + ... + 94393.

It is an arithmetic number, because the mean of its divisors is an integer number (139994928).

Almost surely, 2^1368404686 is an apocalyptic number.

1368404686 is a deficient number, since it is larger than the sum of its proper divisors (871514162).

1368404686 is a wasteful number, since it uses less digits than its factorization.

1368404686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19767.

The product of its (nonzero) digits is 663552, while the sum is 46.

The square root of 1368404686 is about 36991.9543414511. The cubic root of 1368404686 is about 1110.2092741799.

The spelling of 1368404686 in words is "one billion, three hundred sixty-eight million, four hundred four thousand, six hundred eighty-six".