109532729 has 2 divisors, whose sum is σ = 109532730. Its totient is φ = 109532728.

The previous prime is 109532713. The next prime is 109532747. The reversal of 109532729 is 927235901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85747600 + 23785129 = 9260^2 + 4877^2 .

It is a cyclic number.

It is not a de Polignac number, because 109532729 - 2⁴ = 109532713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109532692 and 109532701.

It is not a weakly prime, because it can be changed into another prime (109532779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54766364 + 54766365.

It is an arithmetic number, because the mean of its divisors is an integer number (54766365).

Almost surely, 2^109532729 is an apocalyptic number.

It is an amenable number.

109532729 is a deficient number, since it is larger than the sum of its proper divisors (1).

109532729 is an equidigital number, since it uses as much as digits as its factorization.

109532729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 109532729 is about 10465.7885035003. The cubic root of 109532729 is about 478.4625707789.

The spelling of 109532729 in words is "one hundred nine million, five hundred thirty-two thousand, seven hundred twenty-nine".