109613871 has 16 divisors (see below), whose sum is σ = 163564800. Its totient is φ = 72547704.

The previous prime is 109613813. The next prime is 109613887. The reversal of 109613871 is 178316901.

It is not a de Polignac number, because 109613871 - 2⁷ = 109613743 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109613891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10851 + ... + 18356.

It is an arithmetic number, because the mean of its divisors is an integer number (10222800).

Almost surely, 2^109613871 is an apocalyptic number.

109613871 is a deficient number, since it is larger than the sum of its proper divisors (53950929).

109613871 is a wasteful number, since it uses less digits than its factorization.

109613871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29355 (or 29349 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 109613871 is about 10469.6643212665. The cubic root of 109613871 is about 478.5806901983.

It can be divided in two parts, 1096138 and 71, that added together give a square (1096209 = 1047²).

The spelling of 109613871 in words is "one hundred nine million, six hundred thirteen thousand, eight hundred seventy-one".