132304021 has 2 divisors, whose sum is σ = 132304022. Its totient is φ = 132304020.

The previous prime is 132303961. The next prime is 132304069. The reversal of 132304021 is 120403231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114789796 + 17514225 = 10714^2 + 4185^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132304021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 132303986 and 132304004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132304121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66152010 + 66152011.

It is an arithmetic number, because the mean of its divisors is an integer number (66152011).

Almost surely, 2^132304021 is an apocalyptic number.

It is an amenable number.

132304021 is a deficient number, since it is larger than the sum of its proper divisors (1).

132304021 is an equidigital number, since it uses as much as digits as its factorization.

132304021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 132304021 is about 11502.3484993283. The cubic root of 132304021 is about 509.5549378769.

Adding to 132304021 its reverse (120403231), we get a palindrome (252707252).

The spelling of 132304021 in words is "one hundred thirty-two million, three hundred four thousand, twenty-one".