127052136005 has 4 divisors (see below), whose sum is σ = 152462563212. Its totient is φ = 101641708800.

The previous prime is 127052135971. The next prime is 127052136007. The reversal of 127052136005 is 500631250721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500631250721 = 7 ⋅71518750103.

It can be written as a sum of positive squares in 2 ways, for example, as 92645966884 + 34406169121 = 304378^2 + 185489^2 .

It is not a de Polignac number, because 127052136005 - 2¹⁶ = 127052070469 is a prime.

It is a super-2 number, since 2×127052136005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127052136007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12705213596 + ... + 12705213605.

It is an arithmetic number, because the mean of its divisors is an integer number (38115640803).

Almost surely, 2^127052136005 is an apocalyptic number.

It is an amenable number.

127052136005 is a deficient number, since it is larger than the sum of its proper divisors (25410427207).

127052136005 is an equidigital number, since it uses as much as digits as its factorization.

127052136005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25410427206.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 127052136005 its reverse (500631250721), we get a palindrome (627683386726).

The spelling of 127052136005 in words is "one hundred twenty-seven billion, fifty-two million, one hundred thirty-six thousand, five".