113609749 has 8 divisors (see below), whose sum is σ = 125166240. Its totient is φ = 102258000.

The previous prime is 113609747. The next prime is 113609789. The reversal of 113609749 is 947906311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113609749 - 2¹ = 113609747 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113609747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50019 + ... + 52240.

It is an arithmetic number, because the mean of its divisors is an integer number (15645780).

Almost surely, 2^113609749 is an apocalyptic number.

It is an amenable number.

113609749 is a deficient number, since it is larger than the sum of its proper divisors (11556491).

113609749 is a wasteful number, since it uses less digits than its factorization.

113609749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102371.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 113609749 is about 10658.7874075807. The cubic root of 113609749 is about 484.3268359685.

The spelling of 113609749 in words is "one hundred thirteen million, six hundred nine thousand, seven hundred forty-nine".