134122405 has 4 divisors (see below), whose sum is σ = 160946892. Its totient is φ = 107297920.

The previous prime is 134122397. The next prime is 134122411. The reversal of 134122405 is 504221431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 83740801 + 50381604 = 9151^2 + 7098^2 .

It is not a de Polignac number, because 134122405 - 2³ = 134122397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13412236 + ... + 13412245.

It is an arithmetic number, because the mean of its divisors is an integer number (40236723).

Almost surely, 2^134122405 is an apocalyptic number.

It is an amenable number.

134122405 is a deficient number, since it is larger than the sum of its proper divisors (26824487).

134122405 is an equidigital number, since it uses as much as digits as its factorization.

134122405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26824486.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 134122405 is about 11581.1227866731. The cubic root of 134122405 is about 511.8787618314.

Adding to 134122405 its reverse (504221431), we get a palindrome (638343836).

The spelling of 134122405 in words is "one hundred thirty-four million, one hundred twenty-two thousand, four hundred five".