132343021 has 4 divisors (see below), whose sum is σ = 132501600. Its totient is φ = 132184444.

The previous prime is 132343009. The next prime is 132343049. The reversal of 132343021 is 120343231.

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, and also an emirpimes, since its reverse is a distinct semiprime: 120343231 = 53 ⋅2270627.

It is a cyclic number.

It is not a de Polignac number, because 132343021 - 2¹¹ = 132340973 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 132343021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132343921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78031 + ... + 79708.

It is an arithmetic number, because the mean of its divisors is an integer number (33125400).

Almost surely, 2^132343021 is an apocalyptic number.

It is an amenable number.

132343021 is a deficient number, since it is larger than the sum of its proper divisors (158579).

132343021 is an equidigital number, since it uses as much as digits as its factorization.

132343021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158578.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 132343021 is about 11504.0436803760. The cubic root of 132343021 is about 509.6050010825.

Adding to 132343021 its reverse (120343231), we get a palindrome (252686252).

It can be divided in two parts, 1323 and 43021, that added together give a palindrome (44344).

The spelling of 132343021 in words is "one hundred thirty-two million, three hundred forty-three thousand, twenty-one".