134818369 has 4 divisors (see below), whose sum is σ = 154078144. Its totient is φ = 115558596.

The previous prime is 134818339. The next prime is 134818391. The reversal of 134818369 is 963818431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 963818431 = 647 ⋅1489673.

It is a cyclic number.

It is not a de Polignac number, because 134818369 - 2⁵ = 134818337 is a prime.

It is a super-2 number, since 2×134818369² = 36351985239640322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134818339) 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, 9629877 + ... + 9629890.

It is an arithmetic number, because the mean of its divisors is an integer number (38519536).

Almost surely, 2^134818369 is an apocalyptic number.

It is an amenable number.

134818369 is a deficient number, since it is larger than the sum of its proper divisors (19259775).

134818369 is an equidigital number, since it uses as much as digits as its factorization.

134818369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19259774.

The product of its digits is 124416, while the sum is 43.

The square root of 134818369 is about 11611.1312541027. The cubic root of 134818369 is about 512.7626180521.

The spelling of 134818369 in words is "one hundred thirty-four million, eight hundred eighteen thousand, three hundred sixty-nine".