1361202642740 has 12 divisors (see below), whose sum is σ = 2858525549796. Its totient is φ = 544481057088.

The previous prime is 1361202642703. The next prime is 1361202642757. The reversal of 1361202642740 is 472462021631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 666440384164 + 694762258576 = 816358^2 + 833524^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1361202642694 and 1361202642703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34030066049 + ... + 34030066088.

It is an arithmetic number, because the mean of its divisors is an integer number (238210462483).

Almost surely, 2^{1361202642740} is an apocalyptic number.

1361202642740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361202642740 is an abundant number, since it is smaller than the sum of its proper divisors (1497322907056).

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

1361202642740 is a wasteful number, since it uses less digits than its factorization.

1361202642740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68060132146 (or 68060132144 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 1361202642740 in words is "one trillion, three hundred sixty-one billion, two hundred two million, six hundred forty-two thousand, seven hundred forty".