1361260363236 has 48 divisors (see below), whose sum is σ = 3282132606144. Its totient is φ = 438781297536.

The previous prime is 1361260363223. The next prime is 1361260363237. The reversal of 1361260363236 is 6323630621631.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1361260363237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9332235 + ... + 9476978.

It is an arithmetic number, because the mean of its divisors is an integer number (68377762628).

Almost surely, 2^{1361260363236} is an apocalyptic number.

It is an amenable number.

1361260363236 is an abundant number, since it is smaller than the sum of its proper divisors (1920872242908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361260363236 is a wasteful number, since it uses less digits than its factorization.

1361260363236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18809420 (or 18809418 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 42.

Adding to 1361260363236 its reverse (6323630621631), we get a palindrome (7684890984867).

The spelling of 1361260363236 in words is "one trillion, three hundred sixty-one billion, two hundred sixty million, three hundred sixty-three thousand, two hundred thirty-six".