1368260728 has 16 divisors (see below), whose sum is σ = 2577650760. Its totient is φ = 680887200.

The previous prime is 1368260711. The next prime is 1368260753. The reversal of 1368260728 is 8270628631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403603 + ... + 406978.

Almost surely, 2^1368260728 is an apocalyptic number.

It is an amenable number.

1368260728 is a deficient number, since it is larger than the sum of its proper divisors (1209390032).

1368260728 is a wasteful number, since it uses less digits than its factorization.

1368260728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810798 (or 810794 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 1368260728 is about 36990.0084887798. The cubic root of 1368260728 is about 1110.1703409820.

The spelling of 1368260728 in words is "one billion, three hundred sixty-eight million, two hundred sixty thousand, seven hundred twenty-eight".