132798443 has 4 divisors (see below), whose sum is σ = 135304128. Its totient is φ = 130292760.

The previous prime is 132798409. The next prime is 132798469. The reversal of 132798443 is 344897231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132798443 - 2²⁰ = 131749867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 132798443.

It is not an unprimeable number, because it can be changed into a prime (132798473) 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 in 3 ways as a sum of consecutive naturals, for example, 1252763 + ... + 1252868.

It is an arithmetic number, because the mean of its divisors is an integer number (33826032).

Almost surely, 2^132798443 is an apocalyptic number.

132798443 is a deficient number, since it is larger than the sum of its proper divisors (2505685).

132798443 is an equidigital number, since it uses as much as digits as its factorization.

132798443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505684.

The product of its digits is 145152, while the sum is 41.

The square root of 132798443 is about 11523.8206771886. The cubic root of 132798443 is about 510.1888868455.

The spelling of 132798443 in words is "one hundred thirty-two million, seven hundred ninety-eight thousand, four hundred forty-three".