113206709 has 12 divisors (see below), whose sum is σ = 143661888. Its totient is φ = 88212600.

The previous prime is 113206697. The next prime is 113206777. The reversal of 113206709 is 907602311.

It is a de Polignac number, because none of the positive numbers 2^k-113206709 is a prime.

It is a super-2 number, since 2×113206709² = 25631517925221362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113206109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104477 + ... + 105554.

It is an arithmetic number, because the mean of its divisors is an integer number (11971824).

Almost surely, 2^113206709 is an apocalyptic number.

It is an amenable number.

113206709 is a deficient number, since it is larger than the sum of its proper divisors (30455179).

113206709 is a wasteful number, since it uses less digits than its factorization.

113206709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210056 (or 210049 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 113206709 is about 10639.8641438695. The cubic root of 113206709 is about 483.7534274985.

The spelling of 113206709 in words is "one hundred thirteen million, two hundred six thousand, seven hundred nine".