136386 has 12 divisors (see below), whose sum is σ = 295542. Its totient is φ = 45456.

The previous prime is 136379. The next prime is 136393. The reversal of 136386 is 683631.

It is an interprime number because it is at equal distance from previous prime (136379) and next prime (136393).

It can be written as a sum of positive squares in only one way, i.e., 136161 + 225 = 369^2 + 15^2 .

It is a super-2 number, since 2×136386² = 37202281992, which contains 22 as substring.

It is a plaindrome in base 14.

It is an unprimeable number.

136386 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 5 ways as a sum of consecutive naturals, for example, 3771 + ... + 3806.

2¹³⁶³⁸⁶ is an apocalyptic number.

136386 is an abundant number, since it is smaller than the sum of its proper divisors (159156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136386 is a wasteful number, since it uses less digits than its factorization.

136386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585 (or 7582 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 136386 is about 369.3047522034. The cubic root of 136386 is about 51.4742385374.

The spelling of 136386 in words is "one hundred thirty-six thousand, three hundred eighty-six".