1368823765 has 8 divisors (see below), whose sum is σ = 1739211480. Its totient is φ = 1030643712.

The previous prime is 1368823763. The next prime is 1368823801. The reversal of 1368823765 is 5673288631.

It can be written as a sum of positive squares in 4 ways, for example, as 159592689 + 1209231076 = 12633^2 + 34774^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1368823765 - 2¹ = 1368823763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368823763) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8051820 + ... + 8051989.

It is an arithmetic number, because the mean of its divisors is an integer number (217401435).

Almost surely, 2^1368823765 is an apocalyptic number.

It is an amenable number.

1368823765 is a deficient number, since it is larger than the sum of its proper divisors (370387715).

1368823765 is a wasteful number, since it uses less digits than its factorization.

1368823765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16103831.

The product of its digits is 1451520, while the sum is 49.

The square root of 1368823765 is about 36997.6183692951. The cubic root of 1368823765 is about 1110.3225978453.

The spelling of 1368823765 in words is "one billion, three hundred sixty-eight million, eight hundred twenty-three thousand, seven hundred sixty-five".