134131421027 has 2 divisors, whose sum is σ = 134131421028. Its totient is φ = 134131421026.

The previous prime is 134131420991. The next prime is 134131421029. The reversal of 134131421027 is 720124131431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134131421027 - 2⁶ = 134131420963 is a prime.

Together with 134131421029, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (134131421029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67065710513 + 67065710514.

It is an arithmetic number, because the mean of its divisors is an integer number (67065710514).

Almost surely, 2^134131421027 is an apocalyptic number.

134131421027 is a deficient number, since it is larger than the sum of its proper divisors (1).

134131421027 is an equidigital number, since it uses as much as digits as its factorization.

134131421027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 134131421027 its reverse (720124131431), we get a palindrome (854255552458).

The spelling of 134131421027 in words is "one hundred thirty-four billion, one hundred thirty-one million, four hundred twenty-one thousand, twenty-seven".