1361453310765 has 40 divisors (see below), whose sum is σ = 2458088999520. Its totient is φ = 720884600928.

The previous prime is 1361453310697. The next prime is 1361453310787. The reversal of 1361453310765 is 5670133541631.

1361453310765 is a `hidden beast` number, since 1 + 3 + 6 + 1 + 4 + 533 + 107 + 6 + 5 = 666.

It is not a de Polignac number, because 1361453310765 - 2¹¹ = 1361453308717 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1361453310765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 12035839 + ... + 12148428.

It is an arithmetic number, because the mean of its divisors is an integer number (61452224988).

Almost surely, 2^{1361453310765} is an apocalyptic number.

1361453310765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1361453310765 is a deficient number, since it is larger than the sum of its proper divisors (1096635688755).

1361453310765 is a wasteful number, since it uses less digits than its factorization.

1361453310765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24184423 (or 24184414 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 1361453310765 in words is "one trillion, three hundred sixty-one billion, four hundred fifty-three million, three hundred ten thousand, seven hundred sixty-five".