136711219 has 4 divisors (see below), whose sum is σ = 136876960. Its totient is φ = 136545480.

The previous prime is 136711199. The next prime is 136711231. The reversal of 136711219 is 912117631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136711219 is a prime.

It is a super-2 number, since 2×136711219² = 37379914800931922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136711279) 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, 81627 + ... + 83284.

It is an arithmetic number, because the mean of its divisors is an integer number (34219240).

Almost surely, 2^136711219 is an apocalyptic number.

136711219 is a deficient number, since it is larger than the sum of its proper divisors (165741).

136711219 is an equidigital number, since it uses as much as digits as its factorization.

136711219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165740.

The product of its digits is 2268, while the sum is 31.

The square root of 136711219 is about 11692.3572901276. The cubic root of 136711219 is about 515.1512032854.

The spelling of 136711219 in words is "one hundred thirty-six million, seven hundred eleven thousand, two hundred nineteen".