134421005 has 8 divisors (see below), whose sum is σ = 161372952. Its totient is φ = 107491648.

The previous prime is 134420999. The next prime is 134421017. The reversal of 134421005 is 500124431.

It can be written as a sum of positive squares in 4 ways, for example, as 20593444 + 113827561 = 4538^2 + 10669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 134421005 - 2⁶ = 134420941 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 7 ways as a sum of consecutive naturals, for example, 13127 + ... + 21003.

It is an arithmetic number, because the mean of its divisors is an integer number (20171619).

Almost surely, 2^134421005 is an apocalyptic number.

It is an amenable number.

134421005 is a deficient number, since it is larger than the sum of its proper divisors (26951947).

134421005 is an equidigital number, since it uses as much as digits as its factorization.

134421005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11295.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134421005 is about 11594.0072882503. The cubic root of 134421005 is about 512.2583496896.

Adding to 134421005 its reverse (500124431), we get a palindrome (634545436).

The spelling of 134421005 in words is "one hundred thirty-four million, four hundred twenty-one thousand, five".