134521504 has 24 divisors (see below), whose sum is σ = 285212340. Its totient is φ = 62086656.

The previous prime is 134521489. The next prime is 134521507. The reversal of 134521504 is 405125431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 134096400 + 425104 = 11580^2 + 652^2 .

It is not an unprimeable number, because it can be changed into a prime (134521507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161269 + ... + 162100.

Almost surely, 2^134521504 is an apocalyptic number.

It is an amenable number.

134521504 is an abundant number, since it is smaller than the sum of its proper divisors (150690836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

134521504 is a wasteful number, since it uses less digits than its factorization.

134521504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323392 (or 323384 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 134521504 is about 11598.3405709610. The cubic root of 134521504 is about 512.3859801079.

Adding to 134521504 its reverse (405125431), we get a palindrome (539646935).

The spelling of 134521504 in words is "one hundred thirty-four million, five hundred twenty-one thousand, five hundred four".