112739569 has 4 divisors (see below), whose sum is σ = 112966000. Its totient is φ = 112513140.

The previous prime is 112739567. The next prime is 112739573. The reversal of 112739569 is 965937211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 965937211 = 223 ⋅4331557.

It is a cyclic number.

It is not a de Polignac number, because 112739569 - 2¹ = 112739567 is a prime.

It is a super-3 number, since 3×112739569³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112739567) 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, 112467 + ... + 113464.

It is an arithmetic number, because the mean of its divisors is an integer number (28241500).

Almost surely, 2^112739569 is an apocalyptic number.

It is an amenable number.

112739569 is a deficient number, since it is larger than the sum of its proper divisors (226431).

112739569 is an equidigital number, since it uses as much as digits as its factorization.

112739569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226430.

The product of its digits is 102060, while the sum is 43.

The square root of 112739569 is about 10617.8891028302. The cubic root of 112739569 is about 483.0871179840.

The spelling of 112739569 in words is "one hundred twelve million, seven hundred thirty-nine thousand, five hundred sixty-nine".