136049219 has 4 divisors (see below), whose sum is σ = 136260144. Its totient is φ = 135838296.

The previous prime is 136049203. The next prime is 136049231. The reversal of 136049219 is 912940631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912940631 = 383 ⋅2383657.

It is a cyclic number.

It is not a de Polignac number, because 136049219 - 2⁴ = 136049203 is a prime.

It is a super-2 number, since 2×136049219² = 37018779981019922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136049239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104492 + ... + 105785.

It is an arithmetic number, because the mean of its divisors is an integer number (34065036).

Almost surely, 2^136049219 is an apocalyptic number.

136049219 is a deficient number, since it is larger than the sum of its proper divisors (210925).

136049219 is an equidigital number, since it uses as much as digits as its factorization.

136049219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210924.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 136049219 is about 11664.0138460137. The cubic root of 136049219 is about 514.3183478594.

The spelling of 136049219 in words is "one hundred thirty-six million, forty-nine thousand, two hundred nineteen".