135425241225 has 96 divisors (see below), whose sum is σ = 262141654400. Its totient is φ = 68355705600.

The previous prime is 135425241223. The next prime is 135425241247. The reversal of 135425241225 is 522142524531.

135425241225 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 2 + 524 + 122 + 5 = 666.

It is not a de Polignac number, because 135425241225 - 2¹ = 135425241223 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 135425241225.

It is not an unprimeable number, because it can be changed into a prime (135425241221) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14012895 + ... + 14022555.

Almost surely, 2^135425241225 is an apocalyptic number.

135425241225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

135425241225 is a deficient number, since it is larger than the sum of its proper divisors (126716413175).

135425241225 is a wasteful number, since it uses less digits than its factorization.

135425241225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10792 (or 10781 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 135425241225 its reverse (522142524531), we get a palindrome (657567765756).

The spelling of 135425241225 in words is "one hundred thirty-five billion, four hundred twenty-five million, two hundred forty-one thousand, two hundred twenty-five".