1403340065 has 4 divisors (see below), whose sum is σ = 1684008084. Its totient is φ = 1122672048.

The previous prime is 1403340049. The next prime is 1403340067. The reversal of 1403340065 is 5600433041.

1403340065 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5600433041 = 7 ⋅800061863.

It can be written as a sum of positive squares in 2 ways, for example, as 527712784 + 875627281 = 22972^2 + 29591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403340065 - 2⁴ = 1403340049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403340067) 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 3 ways as a sum of consecutive naturals, for example, 140334002 + ... + 140334011.

It is an arithmetic number, because the mean of its divisors is an integer number (421002021).

Almost surely, 2^1403340065 is an apocalyptic number.

It is an amenable number.

1403340065 is a deficient number, since it is larger than the sum of its proper divisors (280668019).

1403340065 is an equidigital number, since it uses as much as digits as its factorization.

1403340065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280668018.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1403340065 is about 37461.1807742361. The cubic root of 1403340065 is about 1119.5778769037.

The spelling of 1403340065 in words is "one billion, four hundred three million, three hundred forty thousand, sixty-five".