109168942 has 8 divisors (see below), whose sum is σ = 163798056. Its totient is φ = 54569592.

The previous prime is 109168901. The next prime is 109168973. The reversal of 109168942 is 249861901.

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

It is a junction number, because it is equal to n+sod(n) for n = 109168895 and 109168904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8968 + ... + 17284.

It is an arithmetic number, because the mean of its divisors is an integer number (20474757).

Almost surely, 2^109168942 is an apocalyptic number.

109168942 is a deficient number, since it is larger than the sum of its proper divisors (54629114).

109168942 is an equidigital number, since it uses as much as digits as its factorization.

109168942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14882.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 109168942 is about 10448.3942306940. The cubic root of 109168942 is about 477.9322832593.

The spelling of 109168942 in words is "one hundred nine million, one hundred sixty-eight thousand, nine hundred forty-two".