136661522 has 8 divisors (see below), whose sum is σ = 206806716. Its totient is φ = 67725952.

The previous prime is 136661519. The next prime is 136661531. The reversal of 136661522 is 225166631.

It can be written as a sum of positive squares in 2 ways, for example, as 127486681 + 9174841 = 11291^2 + 3029^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302123 + ... + 302574.

Almost surely, 2^136661522 is an apocalyptic number.

136661522 is a deficient number, since it is larger than the sum of its proper divisors (70145194).

136661522 is a wasteful number, since it uses less digits than its factorization.

136661522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604812.

The product of its digits is 12960, while the sum is 32.

The square root of 136661522 is about 11690.2319053131. The cubic root of 136661522 is about 515.0887734610.

The spelling of 136661522 in words is "one hundred thirty-six million, six hundred sixty-one thousand, five hundred twenty-two".