134211907 has 2 divisors, whose sum is σ = 134211908. Its totient is φ = 134211906.

The previous prime is 134211863. The next prime is 134211929. The reversal of 134211907 is 709112431.

It is a strong prime.

It is an emirp because it is prime and its reverse (709112431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134211907 is a prime.

It is not a weakly prime, because it can be changed into another prime (134211947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67105953 + 67105954.

It is an arithmetic number, because the mean of its divisors is an integer number (67105954).

Almost surely, 2^134211907 is an apocalyptic number.

134211907 is a deficient number, since it is larger than the sum of its proper divisors (1).

134211907 is an equidigital number, since it uses as much as digits as its factorization.

134211907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 134211907 is about 11584.9862753479. The cubic root of 134211907 is about 511.9925981087.

The spelling of 134211907 in words is "one hundred thirty-four million, two hundred eleven thousand, nine hundred seven".