1361030365640 has 48 divisors (see below), whose sum is σ = 3366019325340. Its totient is φ = 494920131200.

The previous prime is 1361030365609. The next prime is 1361030365663. The reversal of 1361030365640 is 465630301631.

It can be written as a sum of positive squares in 2 ways, for example, as 1352945838244 + 8084527396 = 1163162^2 + 89914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1361030365594 and 1361030365603.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140597471 + ... + 140607150.

Almost surely, 2^{1361030365640} is an apocalyptic number.

1361030365640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361030365640 is an abundant number, since it is smaller than the sum of its proper divisors (2004988959700).

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

1361030365640 is a wasteful number, since it uses less digits than its factorization.

1361030365640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281204654 (or 281204639 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 1361030365640 in words is "one trillion, three hundred sixty-one billion, thirty million, three hundred sixty-five thousand, six hundred forty".