134444134407 has 32 divisors (see below), whose sum is σ = 196424073216. Its totient is φ = 81119685600.

The previous prime is 134444134397. The next prime is 134444134441. The reversal of 134444134407 is 704431444431.

It is not a de Polignac number, because 134444134407 - 2²⁷ = 134309916679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134444134507) 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, 13794178 + ... + 13803920.

It is an arithmetic number, because the mean of its divisors is an integer number (6138252288).

Almost surely, 2^134444134407 is an apocalyptic number.

134444134407 is a deficient number, since it is larger than the sum of its proper divisors (61979938809).

134444134407 is a wasteful number, since it uses less digits than its factorization.

134444134407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11571.

The product of its (nonzero) digits is 258048, while the sum is 39.

Adding to 134444134407 its reverse (704431444431), we get a palindrome (838875578838).

The spelling of 134444134407 in words is "one hundred thirty-four billion, four hundred forty-four million, one hundred thirty-four thousand, four hundred seven".