136349 has 4 divisors (see below), whose sum is σ = 138720. Its totient is φ = 133980.

The previous prime is 136343. The next prime is 136351. The reversal of 136349 is 943631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 136349 - 2⁴ = 136333 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1097 + ... + 1214.

It is an arithmetic number, because the mean of its divisors is an integer number (34680).

2¹³⁶³⁴⁹ is an apocalyptic number.

It is an amenable number.

136349 is a deficient number, since it is larger than the sum of its proper divisors (2371).

136349 is an equidigital number, since it uses as much as digits as its factorization.

136349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its digits is 1944, while the sum is 26.

The square root of 136349 is about 369.2546546761. The cubic root of 136349 is about 51.4695833209.

The spelling of 136349 in words is "one hundred thirty-six thousand, three hundred forty-nine".