134881427 has 2 divisors, whose sum is σ = 134881428. Its totient is φ = 134881426.

The previous prime is 134881393. The next prime is 134881429. The reversal of 134881427 is 724188431.

It is a strong prime.

It is an emirp because it is prime and its reverse (724188431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134881427 - 2⁶ = 134881363 is a prime.

Together with 134881429, 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 (134881429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67440713 + 67440714.

It is an arithmetic number, because the mean of its divisors is an integer number (67440714).

Almost surely, 2^134881427 is an apocalyptic number.

134881427 is a deficient number, since it is larger than the sum of its proper divisors (1).

134881427 is an equidigital number, since it uses as much as digits as its factorization.

134881427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 38.

The square root of 134881427 is about 11613.8463482173. The cubic root of 134881427 is about 512.8425496559.

The spelling of 134881427 in words is "one hundred thirty-four million, eight hundred eighty-one thousand, four hundred twenty-seven".