134111447 has 2 divisors, whose sum is σ = 134111448. Its totient is φ = 134111446.

The previous prime is 134111429. The next prime is 134111479. The reversal of 134111447 is 744111431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 134111447 - 2¹⁰ = 134110423 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 (134111947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67055723 + 67055724.

It is an arithmetic number, because the mean of its divisors is an integer number (67055724).

Almost surely, 2^134111447 is an apocalyptic number.

134111447 is a deficient number, since it is larger than the sum of its proper divisors (1).

134111447 is an equidigital number, since it uses as much as digits as its factorization.

134111447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 134111447 is about 11580.6496795301. The cubic root of 134111447 is about 511.8648210330.

Adding to 134111447 its reverse (744111431), we get a palindrome (878222878).

The spelling of 134111447 in words is "one hundred thirty-four million, one hundred eleven thousand, four hundred forty-seven".