136342 has 4 divisors (see below), whose sum is σ = 204516. Its totient is φ = 68170.

The previous prime is 136337. The next prime is 136343. The reversal of 136342 is 243631.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34084 + ... + 34087.

It is an arithmetic number, because the mean of its divisors is an integer number (51129).

2¹³⁶³⁴² is an apocalyptic number.

136342 is a deficient number, since it is larger than the sum of its proper divisors (68174).

136342 is an equidigital number, since it uses as much as digits as its factorization.

136342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68173.

The product of its digits is 432, while the sum is 19.

The square root of 136342 is about 369.2451760010. The cubic root of 136342 is about 51.4687025095.

Adding to 136342 its reverse (243631), we get a palindrome (379973).

The spelling of 136342 in words is "one hundred thirty-six thousand, three hundred forty-two".