113729 has 12 divisors (see below), whose sum is σ = 145008. Its totient is φ = 88200.

The previous prime is 113723. The next prime is 113731. The reversal of 113729 is 927311.

It is not a de Polignac number, because 113729 - 2¹⁶ = 48193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113723) 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, 434 + ... + 644.

It is an arithmetic number, because the mean of its divisors is an integer number (12084).

2¹¹³⁷²⁹ is an apocalyptic number.

It is an amenable number.

113729 is a deficient number, since it is larger than the sum of its proper divisors (31279).

113729 is a wasteful number, since it uses less digits than its factorization.

113729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 229 counting only the distinct ones).

The product of its digits is 378, while the sum is 23.

The square root of 113729 is about 337.2373051725. The cubic root of 113729 is about 48.4496235349.

The spelling of 113729 in words is "one hundred thirteen thousand, seven hundred twenty-nine".