1368134753 has 4 divisors (see below), whose sum is σ = 1368256020. Its totient is φ = 1368013488.

The previous prime is 1368134701. The next prime is 1368134777. The reversal of 1368134753 is 3574318631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 678967249 + 689167504 = 26057^2 + 26252^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368134753 - 2³⁰ = 294392929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1368134753.

It is not an unprimeable number, because it can be changed into a prime (1368134953) by changing a digit.

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, 41750 + ... + 66927.

It is an arithmetic number, because the mean of its divisors is an integer number (342064005).

Almost surely, 2^1368134753 is an apocalyptic number.

It is an amenable number.

1368134753 is a deficient number, since it is larger than the sum of its proper divisors (121267).

1368134753 is a wasteful number, since it uses less digits than its factorization.

1368134753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121266.

The product of its digits is 181440, while the sum is 41.

The square root of 1368134753 is about 36988.3056248864. The cubic root of 1368134753 is about 1110.1362690155.

The spelling of 1368134753 in words is "one billion, three hundred sixty-eight million, one hundred thirty-four thousand, seven hundred fifty-three".