1339318646 has 8 divisors (see below), whose sum is σ = 2011427424. Its totient is φ = 668842840.

The previous prime is 1339318609. The next prime is 1339318649. The reversal of 1339318646 is 6468139331.

It is a happy number.

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

It is a super-3 number, since 3×1339318646³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1339318597 and 1339318606.

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 3 ways as a sum of consecutive naturals, for example, 406190 + ... + 409473.

It is an arithmetic number, because the mean of its divisors is an integer number (251428428).

Almost surely, 2^1339318646 is an apocalyptic number.

1339318646 is a deficient number, since it is larger than the sum of its proper divisors (672108778).

1339318646 is an equidigital number, since it uses as much as digits as its factorization.

1339318646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816486.

The product of its digits is 279936, while the sum is 44.

The square root of 1339318646 is about 36596.7026656774. The cubic root of 1339318646 is about 1102.2868803384.

The spelling of 1339318646 in words is "one billion, three hundred thirty-nine million, three hundred eighteen thousand, six hundred forty-six".