136243411 has 4 divisors (see below), whose sum is σ = 136854592. Its totient is φ = 135632232.

The previous prime is 136243409. The next prime is 136243417. The reversal of 136243411 is 114342631.

136243411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 136243411 - 2¹ = 136243409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136243417) 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, 305256 + ... + 305701.

It is an arithmetic number, because the mean of its divisors is an integer number (34213648).

Almost surely, 2^136243411 is an apocalyptic number.

136243411 is a deficient number, since it is larger than the sum of its proper divisors (611181).

136243411 is an equidigital number, since it uses as much as digits as its factorization.

136243411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611180.

The product of its digits is 1728, while the sum is 25.

The square root of 136243411 is about 11672.3352847663. The cubic root of 136243411 is about 514.5629383267.

The spelling of 136243411 in words is "one hundred thirty-six million, two hundred forty-three thousand, four hundred eleven".