135524425531 has 8 divisors (see below), whose sum is σ = 147856879728. Its totient is φ = 123193980000.

The previous prime is 135524425529. The next prime is 135524425559.

135524425531 is nontrivially palindromic in base 10.

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 135524425531 - 2¹ = 135524425529 is a prime.

It is a super-2 number, since 2×135524425531² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135524425511) 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, 359320 + ... + 632581.

It is an arithmetic number, because the mean of its divisors is an integer number (18482109966).

Almost surely, 2^135524425531 is an apocalyptic number.

135524425531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135524425531 is a deficient number, since it is larger than the sum of its proper divisors (12332454197).

135524425531 is a wasteful number, since it uses less digits than its factorization.

135524425531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004333.

The product of its digits is 360000, while the sum is 40.

The spelling of 135524425531 in words is "one hundred thirty-five billion, five hundred twenty-four million, four hundred twenty-five thousand, five hundred thirty-one".