134520445 has 16 divisors (see below), whose sum is σ = 168779520. Its totient is φ = 102731904.

The previous prime is 134520443. The next prime is 134520481. The reversal of 134520445 is 544025431.

It is a cyclic number.

It is not a de Polignac number, because 134520445 - 2¹ = 134520443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134520443) 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 15 ways as a sum of consecutive naturals, for example, 82801 + ... + 84409.

It is an arithmetic number, because the mean of its divisors is an integer number (10548720).

Almost surely, 2^134520445 is an apocalyptic number.

It is an amenable number.

134520445 is a deficient number, since it is larger than the sum of its proper divisors (34259075).

134520445 is a wasteful number, since it uses less digits than its factorization.

134520445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2364.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 134520445 is about 11598.2949177886. The cubic root of 134520445 is about 512.3846355443.

Adding to 134520445 its reverse (544025431), we get a palindrome (678545876).

The spelling of 134520445 in words is "one hundred thirty-four million, five hundred twenty thousand, four hundred forty-five".