134552521 has 2 divisors, whose sum is σ = 134552522. Its totient is φ = 134552520.

The previous prime is 134552491. The next prime is 134552527. The reversal of 134552521 is 125255431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90992521 + 43560000 = 9539^2 + 6600^2 .

It is a cyclic number.

It is not a de Polignac number, because 134552521 - 2⁹ = 134552009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 134552521.

It is not a weakly prime, because it can be changed into another prime (134552527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67276260 + 67276261.

It is an arithmetic number, because the mean of its divisors is an integer number (67276261).

Almost surely, 2^134552521 is an apocalyptic number.

It is an amenable number.

134552521 is a deficient number, since it is larger than the sum of its proper divisors (1).

134552521 is an equidigital number, since it uses as much as digits as its factorization.

134552521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 28.

The square root of 134552521 is about 11599.6776248308. The cubic root of 134552521 is about 512.4253578385.

The spelling of 134552521 in words is "one hundred thirty-four million, five hundred fifty-two thousand, five hundred twenty-one".