1361326500740 has 24 divisors (see below), whose sum is σ = 2858932769112. Its totient is φ = 544502577920.

The previous prime is 1361326500671. The next prime is 1361326500797. The reversal of 1361326500740 is 470056231631.

It can be written as a sum of positive squares in 4 ways, for example, as 31253289796 + 1330073210944 = 176786^2 + 1153288^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1361326500694 and 1361326500703.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1350809 + ... + 2132448.

It is an arithmetic number, because the mean of its divisors is an integer number (119122198713).

Almost surely, 2^{1361326500740} is an apocalyptic number.

1361326500740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361326500740 is an abundant number, since it is smaller than the sum of its proper divisors (1497606268372).

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

1361326500740 is a wasteful number, since it uses less digits than its factorization.

1361326500740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502807 (or 3502805 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 1361326500740 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, five hundred thousand, seven hundred forty".