113539 has 2 divisors, whose sum is σ = 113540. Its totient is φ = 113538.
The previous prime is 113537. The next prime is 113557. The reversal of 113539 is 935311.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 113539 - 21 = 113537 is a prime.
It is a super-2 number, since 2×1135392 = 25782209042, which contains 22 as substring.
Together with 113537, it forms a pair of twin primes.
It is a Chen prime.
113539 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (113537) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56769 + 56770.
It is an arithmetic number, because the mean of its divisors is an integer number (56770).
2113539 is an apocalyptic number.
113539 is a deficient number, since it is larger than the sum of its proper divisors (1).
113539 is an equidigital number, since it uses as much as digits as its factorization.
113539 is an evil number, because the sum of its binary digits is even.
The product of its digits is 405, while the sum is 22.
The square root of 113539 is about 336.9554866744. The cubic root of 113539 is about 48.4226279004.
The spelling of 113539 in words is "one hundred thirteen thousand, five hundred thirty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •