134531135431 has 32 divisors (see below), whose sum is σ = 168810739200. Its totient is φ = 104153239680.

The previous prime is 134531135429. The next prime is 134531135437.

134531135431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134531135431 - 2¹ = 134531135429 is a prime.

It is a super-2 number, since 2×134531135431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134531135437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18920505 + ... + 18927613.

It is an arithmetic number, because the mean of its divisors is an integer number (5275335600).

Almost surely, 2^134531135431 is an apocalyptic number.

134531135431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134531135431 is a deficient number, since it is larger than the sum of its proper divisors (34279603769).

134531135431 is a wasteful number, since it uses less digits than its factorization.

134531135431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679.

The product of its digits is 32400, while the sum is 34.

It can be divided in two parts, 134531 and 135431, that added together give a palindrome (269962).

The spelling of 134531135431 in words is "one hundred thirty-four billion, five hundred thirty-one million, one hundred thirty-five thousand, four hundred thirty-one".