1361316213270 has 256 divisors, whose sum is σ = 4240355132160. Its totient is φ = 307689062400.

The previous prime is 1361316213199. The next prime is 1361316213317. The reversal of 1361316213270 is 723126131631.

1361316213270 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 3 + 1 + 621 + 3 + 27 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2168250 + ... + 2724690.

It is an arithmetic number, because the mean of its divisors is an integer number (16563887235).

Almost surely, 2^{1361316213270} is an apocalyptic number.

1361316213270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361316213270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120177566080).

1361316213270 is an abundant number, since it is smaller than the sum of its proper divisors (2879038918890).

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

1361316213270 is a wasteful number, since it uses less digits than its factorization.

1361316213270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556528 (or 556522 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The spelling of 1361316213270 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, two hundred thirteen thousand, two hundred seventy".