109729141 has 2 divisors, whose sum is σ = 109729142. Its totient is φ = 109729140.

The previous prime is 109729121. The next prime is 109729177. The reversal of 109729141 is 141927901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109620900 + 108241 = 10470^2 + 329^2 .

It is a cyclic number.

It is not a de Polignac number, because 109729141 - 2¹⁵ = 109696373 is a prime.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 109729097 and 109729106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109729121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54864570 + 54864571.

It is an arithmetic number, because the mean of its divisors is an integer number (54864571).

Almost surely, 2^109729141 is an apocalyptic number.

It is an amenable number.

109729141 is a deficient number, since it is larger than the sum of its proper divisors (1).

109729141 is an equidigital number, since it uses as much as digits as its factorization.

109729141 is an evil number, because the sum of its binary digits is even.

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

The square root of 109729141 is about 10475.1678268179. The cubic root of 109729141 is about 478.7483899897.

The spelling of 109729141 in words is "one hundred nine million, seven hundred twenty-nine thousand, one hundred forty-one".