135225303522531 has 4 divisors (see below), whose sum is σ = 180300404696712. Its totient is φ = 90150202348352.

The previous prime is 135225303522521. The next prime is 135225303522601.

135225303522531 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 135225303522531 - 2³⁴ = 135208123653347 is a prime.

It is a super-2 number, since 2×135225303522531² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135225303522521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22537550587086 + ... + 22537550587091.

It is an arithmetic number, because the mean of its divisors is an integer number (45075101174178).

Almost surely, 2^{135225303522531} is an apocalyptic number.

135225303522531 is a deficient number, since it is larger than the sum of its proper divisors (45075101174181).

135225303522531 is an equidigital number, since it uses as much as digits as its factorization.

135225303522531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075101174180.

The product of its (nonzero) digits is 810000, while the sum is 42.

The spelling of 135225303522531 in words is "one hundred thirty-five trillion, two hundred twenty-five billion, three hundred three million, five hundred twenty-two thousand, five hundred thirty-one".