1352136127205 has 4 divisors (see below), whose sum is σ = 1622563352652. Its totient is φ = 1081708901760.

The previous prime is 1352136127189. The next prime is 1352136127229. The reversal of 1352136127205 is 5027216312531.

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 213105026689 + 1139031100516 = 461633^2 + 1067254^2 .

It is not a de Polignac number, because 1352136127205 - 2⁴ = 1352136127189 is a prime.

It is a super-2 number, since 2×1352136127205² (a number of 25 digits) contains 22 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, 135213612716 + ... + 135213612725.

It is an arithmetic number, because the mean of its divisors is an integer number (405640838163).

Almost surely, 2^{1352136127205} is an apocalyptic number.

It is an amenable number.

1352136127205 is a deficient number, since it is larger than the sum of its proper divisors (270427225447).

1352136127205 is an equidigital number, since it uses as much as digits as its factorization.

1352136127205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270427225446.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 1352136127205 in words is "one trillion, three hundred fifty-two billion, one hundred thirty-six million, one hundred twenty-seven thousand, two hundred five".