135234425 has 12 divisors (see below), whose sum is σ = 167854956. Its totient is φ = 108081600.

The previous prime is 135234413. The next prime is 135234427. The reversal of 135234425 is 524432531.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 784 + 135233641 = 28^2 + 11629^2 .

It is not a de Polignac number, because 135234425 - 2⁴ = 135234409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135234427) 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 11 ways as a sum of consecutive naturals, for example, 32567 + ... + 36483.

It is an arithmetic number, because the mean of its divisors is an integer number (13987913).

Almost surely, 2^135234425 is an apocalyptic number.

It is an amenable number.

135234425 is a deficient number, since it is larger than the sum of its proper divisors (32620531).

135234425 is a wasteful number, since it uses less digits than its factorization.

135234425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308 (or 5303 counting only the distinct ones).

The product of its digits is 14400, while the sum is 29.

The square root of 135234425 is about 11629.0337087825. The cubic root of 135234425 is about 513.2895464516.

Adding to 135234425 its reverse (524432531), we get a palindrome (659666956).

The spelling of 135234425 in words is "one hundred thirty-five million, two hundred thirty-four thousand, four hundred twenty-five".