134236345 has 4 divisors (see below), whose sum is σ = 161083620. Its totient is φ = 107389072.

The previous prime is 134236339. The next prime is 134236367. The reversal of 134236345 is 543632431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543632431 = 59 ⋅9214109.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 73068304 = 7821^2 + 8548^2 .

It is a cyclic number.

It is not a de Polignac number, because 134236345 - 2⁵ = 134236313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13423630 + ... + 13423639.

It is an arithmetic number, because the mean of its divisors is an integer number (40270905).

Almost surely, 2^134236345 is an apocalyptic number.

It is an amenable number.

134236345 is a deficient number, since it is larger than the sum of its proper divisors (26847275).

134236345 is an equidigital number, since it uses as much as digits as its factorization.

134236345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26847274.

The product of its digits is 25920, while the sum is 31.

The square root of 134236345 is about 11586.0409545280. The cubic root of 134236345 is about 512.0236716452.

Adding to 134236345 its reverse (543632431), we get a palindrome (677868776).

The spelling of 134236345 in words is "one hundred thirty-four million, two hundred thirty-six thousand, three hundred forty-five".