113739 has 8 divisors (see below), whose sum is σ = 156672. Its totient is φ = 73320.

The previous prime is 113731. The next prime is 113749. The reversal of 113739 is 937311.

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

It is not a de Polignac number, because 113739 - 2³ = 113731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113731) 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, 519 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (19584).

2¹¹³⁷³⁹ is an apocalyptic number.

113739 is a deficient number, since it is larger than the sum of its proper divisors (42933).

113739 is a wasteful number, since it uses less digits than its factorization.

113739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257.

The product of its digits is 567, while the sum is 24.

The square root of 113739 is about 337.2521312016. The cubic root of 113739 is about 48.4510435246.

It can be divided in two parts, 1137 and 39, that added together give a triangular number (1176 = T₄₈).

The spelling of 113739 in words is "one hundred thirteen thousand, seven hundred thirty-nine".