135225135461 has 8 divisors (see below), whose sum is σ = 154193367384. Its totient is φ = 117480660480.

The previous prime is 135225135449. The next prime is 135225135469. The reversal of 135225135461 is 164531522531.

It can be written as a sum of positive squares in 4 ways, for example, as 5070864100 + 130154271361 = 71210^2 + 360769^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135225135461 - 2¹⁴ = 135225119077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135225135469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305939000 + ... + 305939441.

It is an arithmetic number, because the mean of its divisors is an integer number (19274170923).

Almost surely, 2^135225135461 is an apocalyptic number.

It is an amenable number.

135225135461 is a deficient number, since it is larger than the sum of its proper divisors (18968231923).

135225135461 is a wasteful number, since it uses less digits than its factorization.

135225135461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611878471.

The product of its digits is 108000, while the sum is 38.

Adding to 135225135461 its reverse (164531522531), we get a palindrome (299756657992).

The spelling of 135225135461 in words is "one hundred thirty-five billion, two hundred twenty-five million, one hundred thirty-five thousand, four hundred sixty-one".