113847709 has 2 divisors, whose sum is σ = 113847710. Its totient is φ = 113847708.

The previous prime is 113847689. The next prime is 113847731. The reversal of 113847709 is 907748311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109935225 + 3912484 = 10485^2 + 1978^2 .

It is an emirp because it is prime and its reverse (907748311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113847709 - 2⁷ = 113847581 is a prime.

It is a super-2 number, since 2×113847709² = 25922601689097362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113947709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56923854 + 56923855.

It is an arithmetic number, because the mean of its divisors is an integer number (56923855).

Almost surely, 2^113847709 is an apocalyptic number.

It is an amenable number.

113847709 is a deficient number, since it is larger than the sum of its proper divisors (1).

113847709 is an equidigital number, since it uses as much as digits as its factorization.

113847709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 113847709 is about 10669.9441891699. The cubic root of 113847709 is about 484.6647472332.

The spelling of 113847709 in words is "one hundred thirteen million, eight hundred forty-seven thousand, seven hundred nine".