113671 has 4 divisors (see below), whose sum is σ = 115344. Its totient is φ = 112000.

The previous prime is 113657. The next prime is 113683. The reversal of 113671 is 176311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176311 = 157 ⋅1123.

It is a cyclic number.

It is not a de Polignac number, because 113671 - 2⁹ = 113159 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 (113621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730 + ... + 871.

It is an arithmetic number, because the mean of its divisors is an integer number (28836).

2¹¹³⁶⁷¹ is an apocalyptic number.

113671 is a deficient number, since it is larger than the sum of its proper divisors (1673).

113671 is an equidigital number, since it uses as much as digits as its factorization.

113671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672.

The product of its digits is 126, while the sum is 19.

The square root of 113671 is about 337.1513013470. The cubic root of 113671 is about 48.4413859525.

Adding to 113671 its reverse (176311), we get a palindrome (289982).

It can be divided in two parts, 1136 and 71, that multiplied together give a square (80656 = 284²).

The spelling of 113671 in words is "one hundred thirteen thousand, six hundred seventy-one".