127536193 has 4 divisors (see below), whose sum is σ = 135038340. Its totient is φ = 120034048.

The previous prime is 127536187. The next prime is 127536209. The reversal of 127536193 is 391635721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391635721 = 14851 ⋅26371.

It can be written as a sum of positive squares in 2 ways, for example, as 116467264 + 11068929 = 10792^2 + 3327^2 .

It is a cyclic number.

It is not a de Polignac number, because 127536193 - 2¹⁷ = 127405121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127536133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3751048 + ... + 3751081.

It is an arithmetic number, because the mean of its divisors is an integer number (33759585).

Almost surely, 2^127536193 is an apocalyptic number.

It is an amenable number.

127536193 is a deficient number, since it is larger than the sum of its proper divisors (7502147).

127536193 is an equidigital number, since it uses as much as digits as its factorization.

127536193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502146.

The product of its digits is 34020, while the sum is 37.

The square root of 127536193 is about 11293.1923298950. The cubic root of 127536193 is about 503.3589747133.

The spelling of 127536193 in words is "one hundred twenty-seven million, five hundred thirty-six thousand, one hundred ninety-three".