109538671 has 8 divisors (see below), whose sum is σ = 119761488. Its totient is φ = 99360000.

The previous prime is 109538603. The next prime is 109538677. The reversal of 109538671 is 176835901.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109538671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109538677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5730 + ... + 15871.

It is an arithmetic number, because the mean of its divisors is an integer number (14970186).

Almost surely, 2^109538671 is an apocalyptic number.

109538671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109538671 is a deficient number, since it is larger than the sum of its proper divisors (10222817).

109538671 is a wasteful number, since it uses less digits than its factorization.

109538671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 109538671 is about 10466.0723769712. The cubic root of 109538671 is about 478.4712226014.

The spelling of 109538671 in words is "one hundred nine million, five hundred thirty-eight thousand, six hundred seventy-one".