1361316443252 has 6 divisors (see below), whose sum is σ = 2382303775698. Its totient is φ = 680658221624.

The previous prime is 1361316443233. The next prime is 1361316443257. The reversal of 1361316443252 is 2523446131631.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1339861810576 + 21454632676 = 1157524^2 + 146474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361316443257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170164555403 + ... + 170164555410.

It is an arithmetic number, because the mean of its divisors is an integer number (397050629283).

Almost surely, 2^{1361316443252} is an apocalyptic number.

It is an amenable number.

1361316443252 is a deficient number, since it is larger than the sum of its proper divisors (1020987332446).

1361316443252 is a wasteful number, since it uses less digits than its factorization.

1361316443252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340329110817 (or 340329110815 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

It can be divided in two parts, 1361 and 316443252, that added together give a palindrome (316444613).

The spelling of 1361316443252 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, four hundred forty-three thousand, two hundred fifty-two".