113409133 has 2 divisors, whose sum is σ = 113409134. Its totient is φ = 113409132.

The previous prime is 113409089. The next prime is 113409139. The reversal of 113409133 is 331904311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71961289 + 41447844 = 8483^2 + 6438^2 .

It is a cyclic number.

It is not a de Polignac number, because 113409133 - 2¹³ = 113400941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113409098 and 113409107.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113409139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56704566 + 56704567.

It is an arithmetic number, because the mean of its divisors is an integer number (56704567).

Almost surely, 2^113409133 is an apocalyptic number.

It is an amenable number.

113409133 is a deficient number, since it is larger than the sum of its proper divisors (1).

113409133 is an equidigital number, since it uses as much as digits as its factorization.

113409133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 113409133 is about 10649.3724228238. The cubic root of 113409133 is about 484.0415876771.

The spelling of 113409133 in words is "one hundred thirteen million, four hundred nine thousand, one hundred thirty-three".