109141729 has 2 divisors, whose sum is σ = 109141730. Its totient is φ = 109141728.

The previous prime is 109141709. The next prime is 109141741. The reversal of 109141729 is 927141901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74649600 + 34492129 = 8640^2 + 5873^2 .

It is a cyclic number.

It is not a de Polignac number, because 109141729 - 2⁹ = 109141217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109141694 and 109141703.

It is not a weakly prime, because it can be changed into another prime (109141709) 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 as a sum of consecutive naturals, namely, 54570864 + 54570865.

It is an arithmetic number, because the mean of its divisors is an integer number (54570865).

Almost surely, 2^109141729 is an apocalyptic number.

It is an amenable number.

109141729 is a deficient number, since it is larger than the sum of its proper divisors (1).

109141729 is an equidigital number, since it uses as much as digits as its factorization.

109141729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 109141729 is about 10447.0918920052. The cubic root of 109141729 is about 477.8925678975.

It can be divided in two parts, 109 and 141729, that multiplied together give a triangular number (15448461 = T₅₅₅₈).

The spelling of 109141729 in words is "one hundred nine million, one hundred forty-one thousand, seven hundred twenty-nine".