109142759 has 16 divisors (see below), whose sum is σ = 121371264. Its totient is φ = 97317600.

The previous prime is 109142753. The next prime is 109142767. The reversal of 109142759 is 957241901.

It is a cyclic number.

It is not a de Polignac number, because 109142759 - 2¹⁶ = 109077223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109142753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157604 + ... + 158294.

It is an arithmetic number, because the mean of its divisors is an integer number (7585704).

Almost surely, 2^109142759 is an apocalyptic number.

109142759 is a deficient number, since it is larger than the sum of its proper divisors (12228505).

109142759 is a wasteful number, since it uses less digits than its factorization.

109142759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 109142759 is about 10447.1411879040. The cubic root of 109142759 is about 477.8940712266.

It can be divided in two parts, 109142 and 759, that added together give a palindrome (109901).

The spelling of 109142759 in words is "one hundred nine million, one hundred forty-two thousand, seven hundred fifty-nine".