134973211 has 4 divisors (see below), whose sum is σ = 135399312. Its totient is φ = 134547112.

The previous prime is 134973197. The next prime is 134973229. The reversal of 134973211 is 112379431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112379431 = 3821 ⋅29411.

It is a cyclic number.

It is not a de Polignac number, because 134973211 - 2¹¹ = 134971163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134973281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212575 + ... + 213208.

It is an arithmetic number, because the mean of its divisors is an integer number (33849828).

Almost surely, 2^134973211 is an apocalyptic number.

134973211 is a deficient number, since it is larger than the sum of its proper divisors (426101).

134973211 is an equidigital number, since it uses as much as digits as its factorization.

134973211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426100.

The product of its digits is 4536, while the sum is 31.

The square root of 134973211 is about 11617.7971664167. The cubic root of 134973211 is about 512.9588495023.

The spelling of 134973211 in words is "one hundred thirty-four million, nine hundred seventy-three thousand, two hundred eleven".