109191382 has 8 divisors (see below), whose sum is σ = 165037752. Its totient is φ = 54178800.

The previous prime is 109191371. The next prime is 109191389. The reversal of 109191382 is 283191901.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109191389) 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, 208119 + ... + 208642.

It is an arithmetic number, because the mean of its divisors is an integer number (20629719).

Almost surely, 2^109191382 is an apocalyptic number.

109191382 is a deficient number, since it is larger than the sum of its proper divisors (55846370).

109191382 is a wasteful number, since it uses less digits than its factorization.

109191382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416894.

The product of its (nonzero) digits is 3888, while the sum is 34.

The square root of 109191382 is about 10449.4680247370. The cubic root of 109191382 is about 477.9650278155.

The spelling of 109191382 in words is "one hundred nine million, one hundred ninety-one thousand, three hundred eighty-two".