134523211 has 4 divisors (see below), whose sum is σ = 141603400. Its totient is φ = 127443024.

The previous prime is 134523197. The next prime is 134523217. The reversal of 134523211 is 112325431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112325431 = 31 ⋅3623401.

It is a cyclic number.

It is not a de Polignac number, because 134523211 - 2¹³ = 134515019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134523217) 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, 3540066 + ... + 3540103.

It is an arithmetic number, because the mean of its divisors is an integer number (35400850).

Almost surely, 2^134523211 is an apocalyptic number.

134523211 is a deficient number, since it is larger than the sum of its proper divisors (7080189).

134523211 is an equidigital number, since it uses as much as digits as its factorization.

134523211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080188.

The product of its digits is 720, while the sum is 22.

The square root of 134523211 is about 11598.4141588409. The cubic root of 134523211 is about 512.3881473926.

Adding to 134523211 its reverse (112325431), we get a palindrome (246848642).

The spelling of 134523211 in words is "one hundred thirty-four million, five hundred twenty-three thousand, two hundred eleven".