1361001640136 has 16 divisors (see below), whose sum is σ = 2701988550540. Its totient is φ = 640471360000.

The previous prime is 1361001640133. The next prime is 1361001640157. The reversal of 1361001640136 is 6310461001631.

It can be written as a sum of positive squares in 2 ways, for example, as 1173950580100 + 187051060036 = 1083490^2 + 432494^2 .

It is not an unprimeable number, because it can be changed into a prime (1361001640133) 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, 5003682365 + ... + 5003682636.

Almost surely, 2^{1361001640136} is an apocalyptic number.

It is an amenable number.

1361001640136 is a deficient number, since it is larger than the sum of its proper divisors (1340986910404).

1361001640136 is a wasteful number, since it uses less digits than its factorization.

1361001640136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10007365024 (or 10007365020 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

Adding to 1361001640136 its reverse (6310461001631), we get a palindrome (7671462641767).

The spelling of 1361001640136 in words is "one trillion, three hundred sixty-one billion, one million, six hundred forty thousand, one hundred thirty-six".