134277791 has 2 divisors, whose sum is σ = 134277792. Its totient is φ = 134277790.

The previous prime is 134277739. The next prime is 134277799. The reversal of 134277791 is 197772431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 134277791 - 2⁶ = 134277727 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134277799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67138895 + 67138896.

It is an arithmetic number, because the mean of its divisors is an integer number (67138896).

Almost surely, 2^134277791 is an apocalyptic number.

134277791 is a deficient number, since it is larger than the sum of its proper divisors (1).

134277791 is an equidigital number, since it uses as much as digits as its factorization.

134277791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 74088, while the sum is 41.

The square root of 134277791 is about 11587.8294343678. The cubic root of 134277791 is about 512.0763626642.

The spelling of 134277791 in words is "one hundred thirty-four million, two hundred seventy-seven thousand, seven hundred ninety-one".