1368807936 has 40 divisors (see below), whose sum is σ = 3646593984. Its totient is φ = 456268800.

The previous prime is 1368807929. The next prime is 1368807953. The reversal of 1368807936 is 6397088631.

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, 444040 + ... + 447111.

Almost surely, 2^1368807936 is an apocalyptic number.

1368807936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1368807936 is an abundant number, since it is smaller than the sum of its proper divisors (2277786048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1368807936 is an frugal number, since it uses more digits than its factorization.

1368807936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 891172 (or 891156 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The square root of 1368807936 is about 36997.4044495016. The cubic root of 1368807936 is about 1110.3183179263.

The spelling of 1368807936 in words is "one billion, three hundred sixty-eight million, eight hundred seven thousand, nine hundred thirty-six".