1361433505144 has 64 divisors (see below), whose sum is σ = 2796380042400. Its totient is φ = 618508800000.

The previous prime is 1361433505123. The next prime is 1361433505169. The reversal of 1361433505144 is 4415053341631.

It is a junction number, because it is equal to n+sod(n) for n = 1361433505097 and 1361433505106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46528519 + ... + 46557769.

Almost surely, 2^{1361433505144} is an apocalyptic number.

It is an amenable number.

1361433505144 is an abundant number, since it is smaller than the sum of its proper divisors (1434946537256).

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

1361433505144 is a wasteful number, since it uses less digits than its factorization.

1361433505144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41104 (or 41100 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 1361433505144 its reverse (4415053341631), we get a palindrome (5776486846775).

The spelling of 1361433505144 in words is "one trillion, three hundred sixty-one billion, four hundred thirty-three million, five hundred five thousand, one hundred forty-four".