136249 has 8 divisors (see below), whose sum is σ = 146880. Its totient is φ = 126000.

The previous prime is 136247. The next prime is 136261. The reversal of 136249 is 942631.

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

It is a cyclic number.

It is not a de Polignac number, because 136249 - 2¹ = 136247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136247) 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 in 7 ways as a sum of consecutive naturals, for example, 1299 + ... + 1399.

It is an arithmetic number, because the mean of its divisors is an integer number (18360).

2¹³⁶²⁴⁹ is an apocalyptic number.

136249 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

136249 is a deficient number, since it is larger than the sum of its proper divisors (10631).

136249 is a wasteful number, since it uses less digits than its factorization.

136249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 1296, while the sum is 25.

The square root of 136249 is about 369.1192219324. The cubic root of 136249 is about 51.4569974393.

The spelling of 136249 in words is "one hundred thirty-six thousand, two hundred forty-nine".