1383375556 has 12 divisors (see below), whose sum is σ = 2423497468. Its totient is φ = 690947712.

The previous prime is 1383375551. The next prime is 1383375577. The reversal of 1383375556 is 6555733831.

It can be written as a sum of positive squares in 2 ways, for example, as 432640000 + 950735556 = 20800^2 + 30834^2 .

It is not an unprimeable number, because it can be changed into a prime (1383375551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180801 + ... + 188296.

Almost surely, 2^1383375556 is an apocalyptic number.

It is an amenable number.

1383375556 is a deficient number, since it is larger than the sum of its proper divisors (1040121912).

1383375556 is a wasteful number, since it uses less digits than its factorization.

1383375556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370038 (or 370036 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 46.

The square root of 1383375556 is about 37193.7569492516. The cubic root of 1383375556 is about 1114.2433030005.

The spelling of 1383375556 in words is "one billion, three hundred eighty-three million, three hundred seventy-five thousand, five hundred fifty-six".