135524808425531 has 32 divisors (see below), whose sum is σ = 164738271484800. Its totient is φ = 108836578123776.

The previous prime is 135524808425519. The next prime is 135524808425551.

135524808425531 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 135524808425531 - 2²² = 135524804231227 is a prime.

It is a super-2 number, since 2×135524808425531² (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 (135524808425551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120022775 + ... + 121146671.

It is an arithmetic number, because the mean of its divisors is an integer number (5148070983900).

Almost surely, 2^{135524808425531} is an apocalyptic number.

135524808425531 is a deficient number, since it is larger than the sum of its proper divisors (29213463059269).

135524808425531 is a wasteful number, since it uses less digits than its factorization.

135524808425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1128503.

The product of its (nonzero) digits is 23040000, while the sum is 56.

The spelling of 135524808425531 in words is "one hundred thirty-five trillion, five hundred twenty-four billion, eight hundred eight million, four hundred twenty-five thousand, five hundred thirty-one".