136545601 has 12 divisors (see below), whose sum is σ = 142234300. Its totient is φ = 131076288.

The previous prime is 136545599. The next prime is 136545611. The reversal of 136545601 is 106545631.

It can be written as a sum of positive squares in 6 ways, for example, as 846400 + 135699201 = 920^2 + 11649^2 .

It is not a de Polignac number, because 136545601 - 2¹ = 136545599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136545611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192235 + ... + 192943.

Almost surely, 2^136545601 is an apocalyptic number.

It is an amenable number.

136545601 is a deficient number, since it is larger than the sum of its proper divisors (5688699).

136545601 is an equidigital number, since it uses as much as digits as its factorization.

136545601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 136545601 is about 11685.2728252275. The cubic root of 136545601 is about 514.9430935959.

The spelling of 136545601 in words is "one hundred thirty-six million, five hundred forty-five thousand, six hundred one".