136662949 has 16 divisors (see below), whose sum is σ = 147009600. Its totient is φ = 126593280.

The previous prime is 136662943. The next prime is 136662979. The reversal of 136662949 is 949266631.

It is a cyclic number.

It is not a de Polignac number, because 136662949 - 2⁵ = 136662917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 136662899 and 136662908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136662943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412714 + ... + 413044.

It is an arithmetic number, because the mean of its divisors is an integer number (9188100).

Almost surely, 2^136662949 is an apocalyptic number.

It is an amenable number.

136662949 is a deficient number, since it is larger than the sum of its proper divisors (10346651).

136662949 is a wasteful number, since it uses less digits than its factorization.

136662949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660.

The product of its digits is 419904, while the sum is 46.

The square root of 136662949 is about 11690.2929390157. The cubic root of 136662949 is about 515.0905662824.

The spelling of 136662949 in words is "one hundred thirty-six million, six hundred sixty-two thousand, nine hundred forty-nine".