109142259 has 8 divisors (see below), whose sum is σ = 145572240. Its totient is φ = 72736896.

The previous prime is 109142249. The next prime is 109142273. The reversal of 109142259 is 952241901.

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

It is not a de Polignac number, because 109142259 - 2¹¹ = 109140211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109142219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11127 + ... + 18495.

It is an arithmetic number, because the mean of its divisors is an integer number (18196530).

Almost surely, 2^109142259 is an apocalyptic number.

109142259 is a deficient number, since it is larger than the sum of its proper divisors (36429981).

109142259 is an equidigital number, since it uses as much as digits as its factorization.

109142259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12309.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 109142259 is about 10447.1172578851. The cubic root of 109142259 is about 477.8933414564.

The spelling of 109142259 in words is "one hundred nine million, one hundred forty-two thousand, two hundred fifty-nine".