1338061756 has 12 divisors (see below), whose sum is σ = 2344087368. Its totient is φ = 668322512.

The previous prime is 1338061741. The next prime is 1338061759. The reversal of 1338061756 is 6571608331.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338061759) 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, 172831 + ... + 180406.

It is an arithmetic number, because the mean of its divisors is an integer number (195340614).

Almost surely, 2^1338061756 is an apocalyptic number.

It is an amenable number.

1338061756 is a deficient number, since it is larger than the sum of its proper divisors (1006025612).

1338061756 is a wasteful number, since it uses less digits than its factorization.

1338061756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354188 (or 354186 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1338061756 is about 36579.5264594828. The cubic root of 1338061756 is about 1101.9419569496.

The spelling of 1338061756 in words is "one billion, three hundred thirty-eight million, sixty-one thousand, seven hundred fifty-six".