113966439 has 4 divisors (see below), whose sum is σ = 151955256. Its totient is φ = 75977624.

The previous prime is 113966381. The next prime is 113966441. The reversal of 113966439 is 934669311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113966439 - 2¹¹ = 113964391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113966439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113966459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18994404 + ... + 18994409.

It is an arithmetic number, because the mean of its divisors is an integer number (37988814).

Almost surely, 2^113966439 is an apocalyptic number.

113966439 is a deficient number, since it is larger than the sum of its proper divisors (37988817).

113966439 is an equidigital number, since it uses as much as digits as its factorization.

113966439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37988816.

The product of its digits is 104976, while the sum is 42.

The square root of 113966439 is about 10675.5064985227. The cubic root of 113966439 is about 484.8331717995.

The spelling of 113966439 in words is "one hundred thirteen million, nine hundred sixty-six thousand, four hundred thirty-nine".