135226585622531 has 16 divisors (see below), whose sum is σ = 153305091809856. Its totient is φ = 118340772566016.

The previous prime is 135226585622521. The next prime is 135226585622533.

135226585622531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135226585622531 - 2²² = 135226581428227 is a prime.

It is a super-2 number, since 2×135226585622531² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135226585622533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2001129170 + ... + 2001196743.

It is an arithmetic number, because the mean of its divisors is an integer number (9581568238116).

Almost surely, 2^{135226585622531} is an apocalyptic number.

135226585622531 is a deficient number, since it is larger than the sum of its proper divisors (18078506187325).

135226585622531 is a wasteful number, since it uses less digits than its factorization.

135226585622531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4002326062.

The product of its digits is 25920000, while the sum is 56.

The spelling of 135226585622531 in words is "one hundred thirty-five trillion, two hundred twenty-six billion, five hundred eighty-five million, six hundred twenty-two thousand, five hundred thirty-one".