113133785 has 8 divisors (see below), whose sum is σ = 140442120. Its totient is φ = 87385984.

The previous prime is 113133781. The next prime is 113133821. The reversal of 113133785 is 587331311.

It can be written as a sum of positive squares in 4 ways, for example, as 9684544 + 103449241 = 3112^2 + 10171^2 .

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 113133785 - 2² = 113133781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113133781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389972 + ... + 390261.

It is an arithmetic number, because the mean of its divisors is an integer number (17555265).

Almost surely, 2^113133785 is an apocalyptic number.

It is an amenable number.

113133785 is a deficient number, since it is larger than the sum of its proper divisors (27308335).

113133785 is an equidigital number, since it uses as much as digits as its factorization.

113133785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780267.

The product of its digits is 7560, while the sum is 32.

The square root of 113133785 is about 10636.4366683584. The cubic root of 113133785 is about 483.6495325593.

The spelling of 113133785 in words is "one hundred thirteen million, one hundred thirty-three thousand, seven hundred eighty-five".