134444444431 has 32 divisors (see below), whose sum is σ = 152061299712. Its totient is φ = 118788120000.

The previous prime is 134444444419. The next prime is 134444444447.

134444444431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 134444444431 - 2⁹ = 134444443919 is a prime.

It is a super-2 number, since 2×134444444431² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134444444401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14784196 + ... + 14793286.

It is an arithmetic number, because the mean of its divisors is an integer number (4751915616).

Almost surely, 2^134444444431 is an apocalyptic number.

134444444431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

134444444431 is a deficient number, since it is larger than the sum of its proper divisors (17616855281).

134444444431 is an equidigital number, since it uses as much as digits as its factorization.

134444444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9436 (or 9414 counting only the distinct ones).

The product of its digits is 589824, while the sum is 40.

It can be divided in two parts, 134444 and 444431, that added together give a palindrome (578875).

The spelling of 134444444431 in words is "one hundred thirty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred thirty-one".