134444202405 has 64 divisors (see below), whose sum is σ = 226992291840. Its totient is φ = 67858329600.

The previous prime is 134444202397. The next prime is 134444202421. The reversal of 134444202405 is 504202444431.

It is not a de Polignac number, because 134444202405 - 2³ = 134444202397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5282260 + ... + 5307650.

It is an arithmetic number, because the mean of its divisors is an integer number (3546754560).

Almost surely, 2^134444202405 is an apocalyptic number.

134444202405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

134444202405 is a deficient number, since it is larger than the sum of its proper divisors (92548089435).

134444202405 is a wasteful number, since it uses less digits than its factorization.

134444202405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25682.

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 134444202405 its reverse (504202444431), we get a palindrome (638646646836).

The spelling of 134444202405 in words is "one hundred thirty-four billion, four hundred forty-four million, two hundred two thousand, four hundred five".