112668139 has 2 divisors, whose sum is σ = 112668140. Its totient is φ = 112668138.

The previous prime is 112668137. The next prime is 112668173. The reversal of 112668139 is 931866211.

It is a weak prime.

It is an emirp because it is prime and its reverse (931866211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112668139 - 2¹ = 112668137 is a prime.

Together with 112668137, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 112668098 and 112668107.

It is not a weakly prime, because it can be changed into another prime (112668131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56334069 + 56334070.

It is an arithmetic number, because the mean of its divisors is an integer number (56334070).

Almost surely, 2^112668139 is an apocalyptic number.

112668139 is a deficient number, since it is larger than the sum of its proper divisors (1).

112668139 is an equidigital number, since it uses as much as digits as its factorization.

112668139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 37.

The square root of 112668139 is about 10614.5249069377. The cubic root of 112668139 is about 482.9850709879.

The spelling of 112668139 in words is "one hundred twelve million, six hundred sixty-eight thousand, one hundred thirty-nine".