134544521 has 4 divisors (see below), whose sum is σ = 134606544. Its totient is φ = 134482500.

The previous prime is 134544517. The next prime is 134544523. The reversal of 134544521 is 125445431.

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.

It is a cyclic number.

It is not a de Polignac number, because 134544521 - 2² = 134544517 is a prime.

It is a super-2 number, since 2×134544521² = 36204456262238882, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134544523) 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 in 3 ways as a sum of consecutive naturals, for example, 27635 + ... + 32136.

It is an arithmetic number, because the mean of its divisors is an integer number (33651636).

Almost surely, 2^134544521 is an apocalyptic number.

It is an amenable number.

134544521 is a deficient number, since it is larger than the sum of its proper divisors (62023).

134544521 is an equidigital number, since it uses as much as digits as its factorization.

134544521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62022.

The product of its digits is 9600, while the sum is 29.

The square root of 134544521 is about 11599.3327825354. The cubic root of 134544521 is about 512.4152019923.

Adding to 134544521 its reverse (125445431), we get a palindrome (259989952).

The spelling of 134544521 in words is "one hundred thirty-four million, five hundred forty-four thousand, five hundred twenty-one".