1339318645 has 16 divisors (see below), whose sum is σ = 1933453440. Its totient is φ = 870053184.

The previous prime is 1339318609. The next prime is 1339318649. The reversal of 1339318645 is 5468139331.

It is not a de Polignac number, because 1339318645 - 2⁹ = 1339318133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339318649) 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 15 ways as a sum of consecutive naturals, for example, 1006342 + ... + 1007671.

It is an arithmetic number, because the mean of its divisors is an integer number (120840840).

Almost surely, 2^1339318645 is an apocalyptic number.

It is an amenable number.

1339318645 is a deficient number, since it is larger than the sum of its proper divisors (594134795).

1339318645 is a wasteful number, since it uses less digits than its factorization.

1339318645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014044.

The product of its digits is 233280, while the sum is 43.

The square root of 1339318645 is about 36596.7026520150. The cubic root of 1339318645 is about 1102.2868800641.

The spelling of 1339318645 in words is "one billion, three hundred thirty-nine million, three hundred eighteen thousand, six hundred forty-five".