136449 has 6 divisors (see below), whose sum is σ = 197106. Its totient is φ = 90960.

The previous prime is 136447. The next prime is 136453. The reversal of 136449 is 944631.

136449 is a `hidden beast` number, since 13 + 644 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 119025 + 17424 = 345^2 + 132^2 .

It is not a de Polignac number, because 136449 - 2¹ = 136447 is a prime.

136449 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (136447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7572 + ... + 7589.

It is an arithmetic number, because the mean of its divisors is an integer number (32851).

2¹³⁶⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

136449 is a deficient number, since it is larger than the sum of its proper divisors (60657).

136449 is a wasteful number, since it uses less digits than its factorization.

136449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15167 (or 15164 counting only the distinct ones).

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

The square root of 136449 is about 369.3900377650. The cubic root of 136449 is about 51.4821630503.

It can be divided in two parts, 136 and 449, that added together give a palindrome (585).

The spelling of 136449 in words is "one hundred thirty-six thousand, four hundred forty-nine".