136764249 has 8 divisors (see below), whose sum is σ = 182491200. Its totient is φ = 91106736.

The previous prime is 136764241. The next prime is 136764293. The reversal of 136764249 is 942467631.

136764249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 136764249 - 2³ = 136764241 is a prime.

It is a super-3 number, since 3×136764249³ (a number of 25 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 136764249.

It is not an unprimeable number, because it can be changed into a prime (136764241) 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, 12574 + ... + 20775.

It is an arithmetic number, because the mean of its divisors is an integer number (22811400).

Almost surely, 2^136764249 is an apocalyptic number.

It is an amenable number.

136764249 is a deficient number, since it is larger than the sum of its proper divisors (45726951).

136764249 is a wasteful number, since it uses less digits than its factorization.

136764249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34719.

The product of its digits is 217728, while the sum is 42.

The square root of 136764249 is about 11694.6247909029. The cubic root of 136764249 is about 515.2178033713.

The spelling of 136764249 in words is "one hundred thirty-six million, seven hundred sixty-four thousand, two hundred forty-nine".