136111623 has 8 divisors (see below), whose sum is σ = 182129136. Its totient is φ = 90417600.

The previous prime is 136111609. The next prime is 136111627. The reversal of 136111623 is 326111631.

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

It is a de Polignac number, because none of the positive numbers 2^k-136111623 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 136111593 and 136111602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136111627) 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, 79888 + ... + 81573.

It is an arithmetic number, because the mean of its divisors is an integer number (22766142).

Almost surely, 2^136111623 is an apocalyptic number.

136111623 is a deficient number, since it is larger than the sum of its proper divisors (46017513).

136111623 is a wasteful number, since it uses less digits than its factorization.

136111623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161745.

The product of its digits is 648, while the sum is 24.

The square root of 136111623 is about 11666.6886047413. The cubic root of 136111623 is about 514.3969728757.

The spelling of 136111623 in words is "one hundred thirty-six million, one hundred eleven thousand, six hundred twenty-three".