113635601 has 8 divisors (see below), whose sum is σ = 118209000. Its totient is φ = 109105920.

The previous prime is 113635583. The next prime is 113635631. The reversal of 113635601 is 106536311.

It is a Cunningham number, because it is equal to 10660²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 113635600 = 1^2 + 10660^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 113635601 - 2¹⁴ = 113619217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113635631) 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 7 ways as a sum of consecutive naturals, for example, 5576 + ... + 16073.

It is an arithmetic number, because the mean of its divisors is an integer number (14776125).

Almost surely, 2^113635601 is an apocalyptic number.

It is an amenable number.

113635601 is a deficient number, since it is larger than the sum of its proper divisors (4573399).

113635601 is a wasteful number, since it uses less digits than its factorization.

113635601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21859.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 113635601 is about 10660.0000469043. Note that the first 4 decimals coincide. The cubic root of 113635601 is about 484.3635695173.

The spelling of 113635601 in words is "one hundred thirteen million, six hundred thirty-five thousand, six hundred one".