134638211 has 2 divisors, whose sum is σ = 134638212. Its totient is φ = 134638210.

The previous prime is 134638193. The next prime is 134638241. The reversal of 134638211 is 112836431.

It is a weak prime.

It is an emirp because it is prime and its reverse (112836431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 134638211 - 2²⁶ = 67529347 is a prime.

It is a super-2 number, since 2×134638211² = 36254895722561042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (134638241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67319105 + 67319106.

It is an arithmetic number, because the mean of its divisors is an integer number (67319106).

Almost surely, 2^134638211 is an apocalyptic number.

134638211 is a deficient number, since it is larger than the sum of its proper divisors (1).

134638211 is an equidigital number, since it uses as much as digits as its factorization.

134638211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 29.

The square root of 134638211 is about 11603.3706740757. The cubic root of 134638211 is about 512.5341144057.

The spelling of 134638211 in words is "one hundred thirty-four million, six hundred thirty-eight thousand, two hundred eleven".