135532235531 has 64 divisors (see below), whose sum is σ = 180662400000. Its totient is φ = 98430750720.

The previous prime is 135532235483. The next prime is 135532235543.

135532235531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135532235531 - 2²² = 135528041227 is a prime.

It is a super-2 number, since 2×135532235531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135532235561) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79770920 + ... + 79772618.

It is an arithmetic number, because the mean of its divisors is an integer number (2822850000).

Almost surely, 2^135532235531 is an apocalyptic number.

135532235531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135532235531 is a deficient number, since it is larger than the sum of its proper divisors (45130164469).

135532235531 is a wasteful number, since it uses less digits than its factorization.

135532235531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2292.

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

The spelling of 135532235531 in words is "one hundred thirty-five billion, five hundred thirty-two million, two hundred thirty-five thousand, five hundred thirty-one".