134520425 has 24 divisors (see below), whose sum is σ = 180196800. Its totient is φ = 99028800.

The previous prime is 134520409. The next prime is 134520431. The reversal of 134520425 is 524025431.

It is a happy number.

It is not a de Polignac number, because 134520425 - 2⁴ = 134520409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 134520394 and 134520403.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 194330 + ... + 195020.

It is an arithmetic number, because the mean of its divisors is an integer number (7508200).

Almost surely, 2^134520425 is an apocalyptic number.

It is an amenable number.

134520425 is a deficient number, since it is larger than the sum of its proper divisors (45676375).

134520425 is a wasteful number, since it uses less digits than its factorization.

134520425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313 (or 1308 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 134520425 is about 11598.2940555928. The cubic root of 134520425 is about 512.3846101511.

Adding to 134520425 its reverse (524025431), we get a palindrome (658545856).

The spelling of 134520425 in words is "one hundred thirty-four million, five hundred twenty thousand, four hundred twenty-five".