1361389902600 has 576 divisors, whose sum is σ = 5469334315200. Its totient is φ = 277331281920.

The previous prime is 1361389902581. The next prime is 1361389902617. The reversal of 1361389902600 is 62099831631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361389902600.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11022387 + ... + 11145213.

It is an arithmetic number, because the mean of its divisors is an integer number (9495372075).

Almost surely, 2^{1361389902600} is an apocalyptic number.

1361389902600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361389902600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2734667157600).

1361389902600 is an abundant number, since it is smaller than the sum of its proper divisors (4107944412600).

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

1361389902600 is a wasteful number, since it uses less digits than its factorization.

1361389902600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122902 (or 122886 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 1361389902600 in words is "one trillion, three hundred sixty-one billion, three hundred eighty-nine million, nine hundred two thousand, six hundred".