1353236140765 has 4 divisors (see below), whose sum is σ = 1623883368924. Its totient is φ = 1082588912608.

The previous prime is 1353236140747. The next prime is 1353236140807. The reversal of 1353236140765 is 5670416323531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 988580787076 + 364655353689 = 994274^2 + 603867^2 .

It is a cyclic number.

It is not a de Polignac number, because 1353236140765 - 2²⁹ = 1352699269853 is a prime.

It is a super-3 number, since 3×1353236140765³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

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, 135323614072 + ... + 135323614081.

It is an arithmetic number, because the mean of its divisors is an integer number (405970842231).

Almost surely, 2^{1353236140765} is an apocalyptic number.

It is an amenable number.

1353236140765 is a deficient number, since it is larger than the sum of its proper divisors (270647228159).

1353236140765 is an equidigital number, since it uses as much as digits as its factorization.

1353236140765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270647228158.

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 1353236140765 in words is "one trillion, three hundred fifty-three billion, two hundred thirty-six million, one hundred forty thousand, seven hundred sixty-five".