132128193 has 4 divisors (see below), whose sum is σ = 176170928. Its totient is φ = 88085460.

The previous prime is 132128189. The next prime is 132128203. The reversal of 132128193 is 391821231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 132128193 - 2² = 132128189 is a prime.

It is a Duffinian number.

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 132128193.

It is not an unprimeable number, because it can be changed into a prime (132128153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22021363 + ... + 22021368.

It is an arithmetic number, because the mean of its divisors is an integer number (44042732).

Almost surely, 2^132128193 is an apocalyptic number.

It is an amenable number.

132128193 is a deficient number, since it is larger than the sum of its proper divisors (44042735).

132128193 is an equidigital number, since it uses as much as digits as its factorization.

132128193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44042734.

The product of its digits is 2592, while the sum is 30.

The square root of 132128193 is about 11494.7028234748. The cubic root of 132128193 is about 509.3291101620.

The spelling of 132128193 in words is "one hundred thirty-two million, one hundred twenty-eight thousand, one hundred ninety-three".