134419 has 4 divisors (see below), whose sum is σ = 142344. Its totient is φ = 126496.

The previous prime is 134417. The next prime is 134437. The reversal of 134419 is 914431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 914431 = 7 ⋅130633.

It is a cyclic number.

It is not a de Polignac number, because 134419 - 2¹ = 134417 is a prime.

It is a super-2 number, since 2×134419² = 36136935122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134419.

It is not an unprimeable number, because it can be changed into a prime (134417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3937 + ... + 3970.

It is an arithmetic number, because the mean of its divisors is an integer number (35586).

2¹³⁴⁴¹⁹ is an apocalyptic number.

134419 is a deficient number, since it is larger than the sum of its proper divisors (7925).

134419 is an equidigital number, since it uses as much as digits as its factorization.

134419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924.

The product of its digits is 432, while the sum is 22.

The square root of 134419 is about 366.6319680552. The cubic root of 134419 is about 51.2255802759.

The spelling of 134419 in words is "one hundred thirty-four thousand, four hundred nineteen".