113730109 has 2 divisors, whose sum is σ = 113730110. Its totient is φ = 113730108.

The previous prime is 113730091. The next prime is 113730121. The reversal of 113730109 is 901037311.

Together with previous prime (113730091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111894084 + 1836025 = 10578^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 113730109 - 2⁵ = 113730077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113730179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56865054 + 56865055.

It is an arithmetic number, because the mean of its divisors is an integer number (56865055).

Almost surely, 2^113730109 is an apocalyptic number.

It is an amenable number.

113730109 is a deficient number, since it is larger than the sum of its proper divisors (1).

113730109 is an equidigital number, since it uses as much as digits as its factorization.

113730109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 113730109 is about 10664.4319586183. The cubic root of 113730109 is about 484.4978101583.

The spelling of 113730109 in words is "one hundred thirteen million, seven hundred thirty thousand, one hundred nine".