1361330056 has 8 divisors (see below), whose sum is σ = 2552493870. Its totient is φ = 680665024.

The previous prime is 1361330051. The next prime is 1361330057. The reversal of 1361330056 is 6500331631.

It can be written as a sum of positive squares in only one way, i.e., 1000709956 + 360620100 = 31634^2 + 18990^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1361330051) 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 as a sum of consecutive naturals, namely, 85083121 + ... + 85083136.

Almost surely, 2^1361330056 is an apocalyptic number.

It is an amenable number.

1361330056 is a deficient number, since it is larger than the sum of its proper divisors (1191163814).

1361330056 is a wasteful number, since it uses less digits than its factorization.

1361330056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170166263 (or 170166259 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 1361330056 is about 36896.2065258747. The cubic root of 1361330056 is about 1108.2927128736.

Adding to 1361330056 its reverse (6500331631), we get a palindrome (7861661687).

The spelling of 1361330056 in words is "one billion, three hundred sixty-one million, three hundred thirty thousand, fifty-six".