134604521 has 8 divisors (see below), whose sum is σ = 143081640. Its totient is φ = 126189568.

The previous prime is 134604499. The next prime is 134604527. The reversal of 134604521 is 125406431.

It can be written as a sum of positive squares in 4 ways, for example, as 102738496 + 31866025 = 10136^2 + 5645^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134604521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134604527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11036 + ... + 19773.

It is an arithmetic number, because the mean of its divisors is an integer number (17885205).

Almost surely, 2^134604521 is an apocalyptic number.

It is an amenable number.

134604521 is a deficient number, since it is larger than the sum of its proper divisors (8477119).

134604521 is a wasteful number, since it uses less digits than its factorization.

134604521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31083.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 134604521 is about 11601.9188499144. The cubic root of 134604521 is about 512.4913610283.

The spelling of 134604521 in words is "one hundred thirty-four million, six hundred four thousand, five hundred twenty-one".