1375138887653 has 2 divisors, whose sum is σ = 1375138887654. Its totient is φ = 1375138887652.

The previous prime is 1375138887569. The next prime is 1375138887713. The reversal of 1375138887653 is 3567888315731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1136650235044 + 238488652609 = 1066138^2 + 488353^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375138887653 - 2¹⁰ = 1375138886629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1375138887653.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375138887053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687569443826 + 687569443827.

It is an arithmetic number, because the mean of its divisors is an integer number (687569443827).

Almost surely, 2^{1375138887653} is an apocalyptic number.

It is an amenable number.

1375138887653 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375138887653 is an equidigital number, since it uses as much as digits as its factorization.

1375138887653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 65.

The spelling of 1375138887653 in words is "one trillion, three hundred seventy-five billion, one hundred thirty-eight million, eight hundred eighty-seven thousand, six hundred fifty-three".