1339135647 has 8 divisors (see below), whose sum is σ = 1863145344. Its totient is φ = 853941528.

The previous prime is 1339135631. The next prime is 1339135661. The reversal of 1339135647 is 7465319331.

It is a happy number.

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

It is not a de Polignac number, because 1339135647 - 2⁴ = 1339135631 is a prime.

It is a super-2 number, since 2×1339135647² = 3586568562132217218, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1339135599 and 1339135608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339135607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9703813 + ... + 9703950.

It is an arithmetic number, because the mean of its divisors is an integer number (232893168).

Almost surely, 2^1339135647 is an apocalyptic number.

1339135647 is a deficient number, since it is larger than the sum of its proper divisors (524009697).

1339135647 is a wasteful number, since it uses less digits than its factorization.

1339135647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19407789.

The product of its digits is 204120, while the sum is 42.

The square root of 1339135647 is about 36594.2023686813. The cubic root of 1339135647 is about 1102.2366740674.

The spelling of 1339135647 in words is "one billion, three hundred thirty-nine million, one hundred thirty-five thousand, six hundred forty-seven".