1368736844 has 12 divisors (see below), whose sum is σ = 2536188984. Its totient is φ = 644111424.

The previous prime is 1368736841. The next prime is 1368736847. The reversal of 1368736844 is 4486378631.

It is an interprime number because it is at equal distance from previous prime (1368736841) and next prime (1368736847).

It is a junction number, because it is equal to n+sod(n) for n = 1368736792 and 1368736801.

It is not an unprimeable number, because it can be changed into a prime (1368736841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10064174 + ... + 10064309.

It is an arithmetic number, because the mean of its divisors is an integer number (211349082).

Almost surely, 2^1368736844 is an apocalyptic number.

It is an amenable number.

1368736844 is a deficient number, since it is larger than the sum of its proper divisors (1167452140).

1368736844 is a wasteful number, since it uses less digits than its factorization.

1368736844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20128504 (or 20128502 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 1368736844 is about 36996.4436669256. The cubic root of 1368736844 is about 1110.2990953326.

The spelling of 1368736844 in words is "one billion, three hundred sixty-eight million, seven hundred thirty-six thousand, eight hundred forty-four".