135012210531 has 16 divisors (see below), whose sum is σ = 201689004288. Its totient is φ = 79614079200.

The previous prime is 135012210521. The next prime is 135012210533.

135012210531 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 135012210531 - 2⁶ = 135012210467 is a prime.

It is a super-2 number, since 2×135012210531² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (135012210533) 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, 55286335 + ... + 55288776.

It is an arithmetic number, because the mean of its divisors is an integer number (12605562768).

Almost surely, 2^135012210531 is an apocalyptic number.

135012210531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

135012210531 is a deficient number, since it is larger than the sum of its proper divisors (66676793757).

135012210531 is a wasteful number, since it uses less digits than its factorization.

135012210531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110575162.

The product of its (nonzero) digits is 900, while the sum is 24.

It can be divided in two parts, 135012 and 210531, that added together give a palindrome (345543).

The spelling of 135012210531 in words is "one hundred thirty-five billion, twelve million, two hundred ten thousand, five hundred thirty-one".