113559139 has 4 divisors (see below), whose sum is σ = 113731600. Its totient is φ = 113386680.

The previous prime is 113559091. The next prime is 113559221. The reversal of 113559139 is 931955311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 931955311 = 7 ⋅133136473.

It is a cyclic number.

It is not a de Polignac number, because 113559139 - 2¹⁷ = 113428067 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113559098 and 113559107.

It is not an unprimeable number, because it can be changed into a prime (113559739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85239 + ... + 86560.

It is an arithmetic number, because the mean of its divisors is an integer number (28432900).

Almost surely, 2^113559139 is an apocalyptic number.

113559139 is a deficient number, since it is larger than the sum of its proper divisors (172461).

113559139 is an equidigital number, since it uses as much as digits as its factorization.

113559139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172460.

The product of its digits is 18225, while the sum is 37.

The square root of 113559139 is about 10656.4130456735. The cubic root of 113559139 is about 484.2549072181.

The spelling of 113559139 in words is "one hundred thirteen million, five hundred fifty-nine thousand, one hundred thirty-nine".