113640066 has 12 divisors (see below), whose sum is σ = 246220182. Its totient is φ = 37880016.

The previous prime is 113640047. The next prime is 113640073. The reversal of 113640066 is 660046311.

113640066 is a `hidden beast` number, since 1 + 13 + 640 + 0 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 101425041 + 12215025 = 10071^2 + 3495^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3156651 + ... + 3156686.

Almost surely, 2^113640066 is an apocalyptic number.

113640066 is an abundant number, since it is smaller than the sum of its proper divisors (132580116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113640066 is a wasteful number, since it uses less digits than its factorization.

113640066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6313345 (or 6313342 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 113640066 is about 10660.2094726136. The cubic root of 113640066 is about 484.3699133479.

Adding to 113640066 its reverse (660046311), we get a palindrome (773686377).

The spelling of 113640066 in words is "one hundred thirteen million, six hundred forty thousand, sixty-six".