109195142 has 8 divisors (see below), whose sum is σ = 187191696. Its totient is φ = 46797912.

The previous prime is 109195127. The next prime is 109195153. The reversal of 109195142 is 241591901.

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 = 109195099 and 109195108.

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, 3899813 + ... + 3899840.

It is an arithmetic number, because the mean of its divisors is an integer number (23398962).

Almost surely, 2^109195142 is an apocalyptic number.

109195142 is a deficient number, since it is larger than the sum of its proper divisors (77996554).

109195142 is an equidigital number, since it uses as much as digits as its factorization.

109195142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7799662.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 109195142 is about 10449.6479366532. The cubic root of 109195142 is about 477.9705139868.

It can be divided in two parts, 10919 and 5142, that added together give a palindrome (16061).

The spelling of 109195142 in words is "one hundred nine million, one hundred ninety-five thousand, one hundred forty-two".