113839211 has 2 divisors, whose sum is σ = 113839212. Its totient is φ = 113839210.

The previous prime is 113839207. The next prime is 113839289. The reversal of 113839211 is 112938311.

It is a weak prime.

It is an emirp because it is prime and its reverse (112938311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113839211 - 2² = 113839207 is a prime.

It is a super-2 number, since 2×113839211² = 25918731922205042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (113839511) 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 as a sum of consecutive naturals, namely, 56919605 + 56919606.

It is an arithmetic number, because the mean of its divisors is an integer number (56919606).

Almost surely, 2^113839211 is an apocalyptic number.

113839211 is a deficient number, since it is larger than the sum of its proper divisors (1).

113839211 is an equidigital number, since it uses as much as digits as its factorization.

113839211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 29.

The square root of 113839211 is about 10669.5459603490. The cubic root of 113839211 is about 484.6526878967.

The spelling of 113839211 in words is "one hundred thirteen million, eight hundred thirty-nine thousand, two hundred eleven".