136241111 has 16 divisors (see below), whose sum is σ = 148716000. Its totient is φ = 124320768.

The previous prime is 136241093. The next prime is 136241113. The reversal of 136241111 is 111142631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 136241111 - 2²² = 132046807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136241113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79340 + ... + 81038.

It is an arithmetic number, because the mean of its divisors is an integer number (9294750).

Almost surely, 2^136241111 is an apocalyptic number.

136241111 is a deficient number, since it is larger than the sum of its proper divisors (12474889).

136241111 is a wasteful number, since it uses less digits than its factorization.

136241111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1858.

The product of its digits is 144, while the sum is 20.

The square root of 136241111 is about 11672.2367607927. The cubic root of 136241111 is about 514.5600427704.

Adding to 136241111 its reverse (111142631), we get a palindrome (247383742).

The spelling of 136241111 in words is "one hundred thirty-six million, two hundred forty-one thousand, one hundred eleven".