112139307 has 48 divisors (see below), whose sum is σ = 194168832. Its totient is φ = 61015680.

The previous prime is 112139303. The next prime is 112139333. The reversal of 112139307 is 703931211.

It is not a de Polignac number, because 112139307 - 2² = 112139303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112139303) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130423 + ... + 131279.

It is an arithmetic number, because the mean of its divisors is an integer number (4045184).

Almost surely, 2^112139307 is an apocalyptic number.

112139307 is a deficient number, since it is larger than the sum of its proper divisors (82029525).

112139307 is a wasteful number, since it uses less digits than its factorization.

112139307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 965 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 112139307 is about 10589.5848360547. The cubic root of 112139307 is about 482.2282210382.

The spelling of 112139307 in words is "one hundred twelve million, one hundred thirty-nine thousand, three hundred seven".