136606305 has 64 divisors (see below), whose sum is σ = 260775936. Its totient is φ = 60288000.

The previous prime is 136606303. The next prime is 136606307. The reversal of 136606305 is 503606631.

It is an interprime number because it is at equal distance from previous prime (136606303) and next prime (136606307).

It is not a de Polignac number, because 136606305 - 2¹ = 136606303 is a prime.

It is a super-2 number, since 2×136606305² = 37322565131506050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136606303) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 86170 + ... + 87740.

It is an arithmetic number, because the mean of its divisors is an integer number (4074624).

Almost surely, 2^136606305 is an apocalyptic number.

136606305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136606305 is a deficient number, since it is larger than the sum of its proper divisors (124169631).

136606305 is a wasteful number, since it uses less digits than its factorization.

136606305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 136606305 is about 11687.8699941435. The cubic root of 136606305 is about 515.0193916097.

The spelling of 136606305 in words is "one hundred thirty-six million, six hundred six thousand, three hundred five".