136489249 has 8 divisors (see below), whose sum is σ = 151730432. Its totient is φ = 121925520.

The previous prime is 136489247. The next prime is 136489253. The reversal of 136489249 is 942984631.

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 136489249 - 2¹ = 136489247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136489199 and 136489208.

It is not an unprimeable number, because it can be changed into a prime (136489247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168939 + ... + 169744.

It is an arithmetic number, because the mean of its divisors is an integer number (18966304).

Almost surely, 2^136489249 is an apocalyptic number.

It is an amenable number.

136489249 is a deficient number, since it is larger than the sum of its proper divisors (15241183).

136489249 is a wasteful number, since it uses less digits than its factorization.

136489249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338727.

The product of its digits is 373248, while the sum is 46.

The square root of 136489249 is about 11682.8613361625. The cubic root of 136489249 is about 514.8722453084.

The spelling of 136489249 in words is "one hundred thirty-six million, four hundred eighty-nine thousand, two hundred forty-nine".