1368749966 has 8 divisors (see below), whose sum is σ = 2058845040. Its totient is φ = 682468288.

The previous prime is 1368749959. The next prime is 1368750007. The reversal of 1368749966 is 6699478631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 952451 + ... + 953886.

It is an arithmetic number, because the mean of its divisors is an integer number (257355630).

Almost surely, 2^1368749966 is an apocalyptic number.

1368749966 is a deficient number, since it is larger than the sum of its proper divisors (690095074).

1368749966 is a wasteful number, since it uses less digits than its factorization.

1368749966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906698.

The product of its digits is 11757312, while the sum is 59.

The square root of 1368749966 is about 36996.6210078704. The cubic root of 1368749966 is about 1110.3026434454.

The spelling of 1368749966 in words is "one billion, three hundred sixty-eight million, seven hundred forty-nine thousand, nine hundred sixty-six".