134530321 has 2 divisors, whose sum is σ = 134530322. Its totient is φ = 134530320.

The previous prime is 134530267. The next prime is 134530337. The reversal of 134530321 is 123035431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134212225 + 318096 = 11585^2 + 564^2 .

It is a cyclic number.

It is not a de Polignac number, because 134530321 - 2¹⁷ = 134399249 is a prime.

It is a Chen prime.

It is equal to p_7620340 and since 134530321 and 7620340 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 134530292 and 134530301.

It is not a weakly prime, because it can be changed into another prime (134531321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67265160 + 67265161.

It is an arithmetic number, because the mean of its divisors is an integer number (67265161).

Almost surely, 2^134530321 is an apocalyptic number.

It is an amenable number.

134530321 is a deficient number, since it is larger than the sum of its proper divisors (1).

134530321 is an equidigital number, since it uses as much as digits as its factorization.

134530321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 134530321 is about 11598.7206622110. The cubic root of 134530321 is about 512.3971743739.

Adding to 134530321 its reverse (123035431), we get a palindrome (257565752).

The spelling of 134530321 in words is "one hundred thirty-four million, five hundred thirty thousand, three hundred twenty-one".