1339611868 has 24 divisors (see below), whose sum is σ = 2680659072. Its totient is φ = 573811824.

The previous prime is 1339611863. The next prime is 1339611881. The reversal of 1339611868 is 8681169331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339611863) 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, 44955 + ... + 68557.

It is an arithmetic number, because the mean of its divisors is an integer number (111694128).

Almost surely, 2^1339611868 is an apocalyptic number.

It is an amenable number.

1339611868 is an abundant number, since it is smaller than the sum of its proper divisors (1341047204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1339611868 is a wasteful number, since it uses less digits than its factorization.

1339611868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25641 (or 25639 counting only the distinct ones).

The product of its digits is 186624, while the sum is 46.

The square root of 1339611868 is about 36600.7085723760. The cubic root of 1339611868 is about 1102.3673170540.

The spelling of 1339611868 in words is "one billion, three hundred thirty-nine million, six hundred eleven thousand, eight hundred sixty-eight".