112239639 has 6 divisors (see below), whose sum is σ = 162123936. Its totient is φ = 74826420.

The previous prime is 112239629. The next prime is 112239641. The reversal of 112239639 is 936932211.

It is a happy number.

112239639 is a `hidden beast` number, since 1 + 12 + 2 + 3 + 9 + 639 = 666.

It is not a de Polignac number, because 112239639 - 2¹⁶ = 112174103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112239629) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6235527 + ... + 6235544.

It is an arithmetic number, because the mean of its divisors is an integer number (27020656).

Almost surely, 2^112239639 is an apocalyptic number.

112239639 is a deficient number, since it is larger than the sum of its proper divisors (49884297).

112239639 is a wasteful number, since it uses less digits than its factorization.

112239639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12471077 (or 12471074 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 112239639 is about 10594.3210731033. The cubic root of 112239639 is about 482.3719960766.

The spelling of 112239639 in words is "one hundred twelve million, two hundred thirty-nine thousand, six hundred thirty-nine".