134818489 has 4 divisors (see below), whose sum is σ = 145189156. Its totient is φ = 124447824.

The previous prime is 134818487. The next prime is 134818493. The reversal of 134818489 is 984818431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 984818431 = 19 ⋅51832549.

It can be written as a sum of positive squares in 2 ways, for example, as 88510464 + 46308025 = 9408^2 + 6805^2 .

It is a cyclic number.

It is not a de Polignac number, because 134818489 - 2¹ = 134818487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (134818487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5185314 + ... + 5185339.

It is an arithmetic number, because the mean of its divisors is an integer number (36297289).

Almost surely, 2^134818489 is an apocalyptic number.

It is an amenable number.

134818489 is a deficient number, since it is larger than the sum of its proper divisors (10370667).

134818489 is a wasteful number, since it uses less digits than its factorization.

134818489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10370666.

The product of its digits is 221184, while the sum is 46.

The square root of 134818489 is about 11611.1364215567. The cubic root of 134818489 is about 512.7627701864.

The spelling of 134818489 in words is "one hundred thirty-four million, eight hundred eighteen thousand, four hundred eighty-nine".