135312425 has 6 divisors (see below), whose sum is σ = 167787438. Its totient is φ = 108249920.

The previous prime is 135312409. The next prime is 135312449. The reversal of 135312425 is 524213531.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4713241 + 130599184 = 2171^2 + 11428^2 .

It is not a de Polignac number, because 135312425 - 2⁴ = 135312409 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 135312394 and 135312403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2706224 + ... + 2706273.

It is an arithmetic number, because the mean of its divisors is an integer number (27964573).

Almost surely, 2^135312425 is an apocalyptic number.

It is an amenable number.

135312425 is a deficient number, since it is larger than the sum of its proper divisors (32475013).

135312425 is an equidigital number, since it uses as much as digits as its factorization.

135312425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5412507 (or 5412502 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 135312425 is about 11632.3869003743. The cubic root of 135312425 is about 513.3882118856.

Adding to 135312425 its reverse (524213531), we get a palindrome (659525956).

The spelling of 135312425 in words is "one hundred thirty-five million, three hundred twelve thousand, four hundred twenty-five".