134213899 has 2 divisors, whose sum is σ = 134213900. Its totient is φ = 134213898.

The previous prime is 134213887. The next prime is 134213903. The reversal of 134213899 is 998312431.

It is a strong prime.

It is an emirp because it is prime and its reverse (998312431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134213899 - 2¹¹ = 134211851 is a prime.

It is not a weakly prime, because it can be changed into another prime (134213819) 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, 67106949 + 67106950.

It is an arithmetic number, because the mean of its divisors is an integer number (67106950).

Almost surely, 2^134213899 is an apocalyptic number.

134213899 is a deficient number, since it is larger than the sum of its proper divisors (1).

134213899 is an equidigital number, since it uses as much as digits as its factorization.

134213899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 40.

The square root of 134213899 is about 11585.0722483720. The cubic root of 134213899 is about 511.9951311284.

The spelling of 134213899 in words is "one hundred thirty-four million, two hundred thirteen thousand, eight hundred ninety-nine".