135325523531 has 8 divisors (see below), whose sum is σ = 147646062144. Its totient is φ = 123008021320.

The previous prime is 135325523513. The next prime is 135325523537.

135325523531 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 135325523531 - 2²⁶ = 135258414667 is a prime.

It is a super-2 number, since 2×135325523531² (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 (135325523537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665405 + ... + 844638.

It is an arithmetic number, because the mean of its divisors is an integer number (18455757768).

Almost surely, 2^135325523531 is an apocalyptic number.

135325523531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135325523531 is a deficient number, since it is larger than the sum of its proper divisors (12320538613).

135325523531 is a wasteful number, since it uses less digits than its factorization.

135325523531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518201.

The product of its digits is 202500, while the sum is 38.

It can be divided in two parts, 135325 and 523531, that added together give a palindrome (658856).

The spelling of 135325523531 in words is "one hundred thirty-five billion, three hundred twenty-five million, five hundred twenty-three thousand, five hundred thirty-one".