113653289 has 4 divisors (see below), whose sum is σ = 113676756. Its totient is φ = 113629824.

The previous prime is 113653283. The next prime is 113653303. The reversal of 113653289 is 982356311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 982356311 = 22543 ⋅43577.

It can be written as a sum of positive squares in 2 ways, for example, as 15147664 + 98505625 = 3892^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 113653289 - 2⁴ = 113653273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113653283) 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, 1484 + ... + 15149.

It is an arithmetic number, because the mean of its divisors is an integer number (28419189).

Almost surely, 2^113653289 is an apocalyptic number.

It is an amenable number.

113653289 is a deficient number, since it is larger than the sum of its proper divisors (23467).

113653289 is an equidigital number, since it uses as much as digits as its factorization.

113653289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23466.

The product of its digits is 38880, while the sum is 38.

The square root of 113653289 is about 10660.8296581457. The cubic root of 113653289 is about 484.3886994891.

The spelling of 113653289 in words is "one hundred thirteen million, six hundred fifty-three thousand, two hundred eighty-nine".