1361342902872 has 64 divisors (see below), whose sum is σ = 3558146434560. Its totient is φ = 433218156800.

The previous prime is 1361342902819. The next prime is 1361342902877. The reversal of 1361342902872 is 2782092431631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361342902877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079204 + ... + 2654387.

It is an arithmetic number, because the mean of its divisors is an integer number (55596038040).

Almost surely, 2^{1361342902872} is an apocalyptic number.

1361342902872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1361342902872 is an abundant number, since it is smaller than the sum of its proper divisors (2196803531688).

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

1361342902872 is a wasteful number, since it uses less digits than its factorization.

1361342902872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734144 (or 4734140 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 1361342902872 in words is "one trillion, three hundred sixty-one billion, three hundred forty-two million, nine hundred two thousand, eight hundred seventy-two".