1368368194 has 16 divisors (see below), whose sum is σ = 2106331416. Its totient is φ = 666316800.

The previous prime is 1368368173. The next prime is 1368368207. The reversal of 1368368194 is 4918638631.

It can be written as a sum of positive squares in 4 ways, for example, as 1315005169 + 53363025 = 36263^2 + 7305^2 .

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 7 ways as a sum of consecutive naturals, for example, 32854 + ... + 61774.

Almost surely, 2^1368368194 is an apocalyptic number.

1368368194 is a deficient number, since it is larger than the sum of its proper divisors (737963222).

1368368194 is a wasteful number, since it uses less digits than its factorization.

1368368194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29541.

The product of its digits is 746496, while the sum is 49.

The square root of 1368368194 is about 36991.4610957718. The cubic root of 1368368194 is about 1110.1994052385.

The spelling of 1368368194 in words is "one billion, three hundred sixty-eight million, three hundred sixty-eight thousand, one hundred ninety-four".