1361202216635 has 8 divisors (see below), whose sum is σ = 1635104357280. Its totient is φ = 1087853975104.

The previous prime is 1361202216631. The next prime is 1361202216637. The reversal of 1361202216635 is 5366122021631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1361202216635 - 2² = 1361202216631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361202216631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138469370 + ... + 138479199.

It is an arithmetic number, because the mean of its divisors is an integer number (204388044660).

Almost surely, 2^{1361202216635} is an apocalyptic number.

1361202216635 is a deficient number, since it is larger than the sum of its proper divisors (273902140645).

1361202216635 is an equidigital number, since it uses as much as digits as its factorization.

1361202216635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276949557.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 1361202216635 in words is "one trillion, three hundred sixty-one billion, two hundred two million, two hundred sixteen thousand, six hundred thirty-five".