134105047 has 2 divisors, whose sum is σ = 134105048. Its totient is φ = 134105046.

The previous prime is 134105011. The next prime is 134105071. The reversal of 134105047 is 740501431.

It is a strong prime.

It is an emirp because it is prime and its reverse (740501431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134105047 - 2¹¹ = 134102999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134105087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67052523 + 67052524.

It is an arithmetic number, because the mean of its divisors is an integer number (67052524).

Almost surely, 2^134105047 is an apocalyptic number.

134105047 is a deficient number, since it is larger than the sum of its proper divisors (1).

134105047 is an equidigital number, since it uses as much as digits as its factorization.

134105047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 134105047 is about 11580.3733532214. The cubic root of 134105047 is about 511.8566785837.

Adding to 134105047 its reverse (740501431), we get a palindrome (874606478).

The spelling of 134105047 in words is "one hundred thirty-four million, one hundred five thousand, forty-seven".