136111243 has 8 divisors (see below), whose sum is σ = 137990160. Its totient is φ = 134244000.

The previous prime is 136111229. The next prime is 136111253. The reversal of 136111243 is 342111631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136111243 - 2¹⁷ = 135980171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136111253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21993 + ... + 27493.

It is an arithmetic number, because the mean of its divisors is an integer number (17248770).

Almost surely, 2^136111243 is an apocalyptic number.

136111243 is a deficient number, since it is larger than the sum of its proper divisors (1878917).

136111243 is a wasteful number, since it uses less digits than its factorization.

136111243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5837.

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

The square root of 136111243 is about 11666.6723190462. The cubic root of 136111243 is about 514.3964941729.

Adding to 136111243 its reverse (342111631), we get a palindrome (478222874).

The spelling of 136111243 in words is "one hundred thirty-six million, one hundred eleven thousand, two hundred forty-three".