113671305 has 24 divisors (see below), whose sum is σ = 214943040. Its totient is φ = 55113120.

The previous prime is 113671253. The next prime is 113671307. The reversal of 113671305 is 503176311.

It is not a de Polignac number, because 113671305 - 2⁶ = 113671241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113671307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 114325 + ... + 115314.

It is an arithmetic number, because the mean of its divisors is an integer number (8955960).

Almost surely, 2^113671305 is an apocalyptic number.

113671305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113671305 is a deficient number, since it is larger than the sum of its proper divisors (101271735).

113671305 is a wasteful number, since it uses less digits than its factorization.

113671305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229661 (or 229658 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 113671305 is about 10661.6745870431. The cubic root of 113671305 is about 484.4142927819.

The spelling of 113671305 in words is "one hundred thirteen million, six hundred seventy-one thousand, three hundred five".