136618 has 8 divisors (see below), whose sum is σ = 207648. Its totient is φ = 67404.

The previous prime is 136607. The next prime is 136621. The reversal of 136618 is 816631.

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

It is a junction number, because it is equal to n+sod(n) for n = 136592 and 136601.

It is a congruent number.

It is an unprimeable number.

136618 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246 + ... + 577.

It is an arithmetic number, because the mean of its divisors is an integer number (25956).

2¹³⁶⁶¹⁸ is an apocalyptic number.

136618 is a deficient number, since it is larger than the sum of its proper divisors (71030).

136618 is an equidigital number, since it uses as much as digits as its factorization.

136618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its digits is 864, while the sum is 25.

The square root of 136618 is about 369.6187224695. The cubic root of 136618 is about 51.5034088296.

It can be divided in two parts, 136 and 618, that multiplied together give a palindrome (84048).

The spelling of 136618 in words is "one hundred thirty-six thousand, six hundred eighteen".