1368935780 has 48 divisors (see below), whose sum is σ = 2912547456. Its totient is φ = 540410880.

The previous prime is 1368935767. The next prime is 1368935783. The reversal of 1368935780 is 875398631.

It is a happy number.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1368935783) 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 15 ways as a sum of consecutive naturals, for example, 905225 + ... + 906735.

It is an arithmetic number, because the mean of its divisors is an integer number (60678072).

Almost surely, 2^1368935780 is an apocalyptic number.

1368935780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1368935780 is an abundant number, since it is smaller than the sum of its proper divisors (1543611676).

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

1368935780 is a wasteful number, since it uses less digits than its factorization.

1368935780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2082 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1368935780 is about 36999.1321519843. The cubic root of 1368935780 is about 1110.3528840410.

The spelling of 1368935780 in words is "one billion, three hundred sixty-eight million, nine hundred thirty-five thousand, seven hundred eighty".