134282521 has 2 divisors, whose sum is σ = 134282522. Its totient is φ = 134282520.

The previous prime is 134282459. The next prime is 134282537. The reversal of 134282521 is 125282431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124010496 + 10272025 = 11136^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 134282521 - 2⁹ = 134282009 is a prime.

It is a super-2 number, since 2×134282521² = 36063590892230882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 134282521.

It is not a weakly prime, because it can be changed into another prime (134282591) 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, 67141260 + 67141261.

It is an arithmetic number, because the mean of its divisors is an integer number (67141261).

Almost surely, 2^134282521 is an apocalyptic number.

It is an amenable number.

134282521 is a deficient number, since it is larger than the sum of its proper divisors (1).

134282521 is an equidigital number, since it uses as much as digits as its factorization.

134282521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 134282521 is about 11588.0335260129. The cubic root of 134282521 is about 512.0823753060.

The spelling of 134282521 in words is "one hundred thirty-four million, two hundred eighty-two thousand, five hundred twenty-one".