134997211 has 4 divisors (see below), whose sum is σ = 135155592. Its totient is φ = 134838832.

The previous prime is 134997193. The next prime is 134997241. The reversal of 134997211 is 112799431.

134997211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112799431 = 61 ⋅1849171.

It is a cyclic number.

It is not a de Polignac number, because 134997211 - 2⁵ = 134997179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134997241) 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, 77905 + ... + 79618.

It is an arithmetic number, because the mean of its divisors is an integer number (33788898).

Almost surely, 2^134997211 is an apocalyptic number.

134997211 is a deficient number, since it is larger than the sum of its proper divisors (158381).

134997211 is an equidigital number, since it uses as much as digits as its factorization.

134997211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158380.

The product of its digits is 13608, while the sum is 37.

The square root of 134997211 is about 11618.8300185518. The cubic root of 134997211 is about 512.9892512950.

The spelling of 134997211 in words is "one hundred thirty-four million, nine hundred ninety-seven thousand, two hundred eleven".