113899 has 2 divisors, whose sum is σ = 113900. Its totient is φ = 113898.
The previous prime is 113891. The next prime is 113903. The reversal of 113899 is 998311.
It is a strong prime.
It is an emirp because it is prime and its reverse (998311) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 113899 - 23 = 113891 is a prime.
It is a Chen prime.
It is a plaindrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 113899.
It is not a weakly prime, because it can be changed into another prime (113891) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56949 + 56950.
It is an arithmetic number, because the mean of its divisors is an integer number (56950).
2113899 is an apocalyptic number.
113899 is a deficient number, since it is larger than the sum of its proper divisors (1).
113899 is an equidigital number, since it uses as much as digits as its factorization.
113899 is an evil number, because the sum of its binary digits is even.
The product of its digits is 1944, while the sum is 31.
The square root of 113899 is about 337.4892590883. The cubic root of 113899 is about 48.4737520495.
The spelling of 113899 in words is "one hundred thirteen thousand, eight hundred ninety-nine".
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