113766385 has 4 divisors (see below), whose sum is σ = 136519668. Its totient is φ = 91013104.

The previous prime is 113766371. The next prime is 113766407. The reversal of 113766385 is 583667311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 583667311 = 29 ⋅20126459.

It can be written as a sum of positive squares in 2 ways, for example, as 74528689 + 39237696 = 8633^2 + 6264^2 .

It is a cyclic number.

It is not a de Polignac number, because 113766385 - 2¹¹ = 113764337 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11376634 + ... + 11376643.

It is an arithmetic number, because the mean of its divisors is an integer number (34129917).

Almost surely, 2^113766385 is an apocalyptic number.

It is an amenable number.

113766385 is a deficient number, since it is larger than the sum of its proper divisors (22753283).

113766385 is an equidigital number, since it uses as much as digits as its factorization.

113766385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22753282.

The product of its digits is 90720, while the sum is 40.

The square root of 113766385 is about 10666.1326168392. The cubic root of 113766385 is about 484.5493174046.

The spelling of 113766385 in words is "one hundred thirteen million, seven hundred sixty-six thousand, three hundred eighty-five".