134666293 has 2 divisors, whose sum is σ = 134666294. Its totient is φ = 134666292.

The previous prime is 134666267. The next prime is 134666303. The reversal of 134666293 is 392666431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106977649 + 27688644 = 10343^2 + 5262^2 .

It is a cyclic number.

It is not a de Polignac number, because 134666293 - 2⁹ = 134665781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134666893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67333146 + 67333147.

It is an arithmetic number, because the mean of its divisors is an integer number (67333147).

Almost surely, 2^134666293 is an apocalyptic number.

It is an amenable number.

134666293 is a deficient number, since it is larger than the sum of its proper divisors (1).

134666293 is an equidigital number, since it uses as much as digits as its factorization.

134666293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 40.

The square root of 134666293 is about 11604.5806903998. The cubic root of 134666293 is about 512.5697456537.

The spelling of 134666293 in words is "one hundred thirty-four million, six hundred sixty-six thousand, two hundred ninety-three".