240667109 has 2 divisors, whose sum is σ = 240667110. Its totient is φ = 240667108.

The previous prime is 240667103. The next prime is 240667127. The reversal of 240667109 is 901766042.

240667109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126112900 + 114554209 = 11230^2 + 10703^2 .

It is a cyclic number.

It is not a de Polignac number, because 240667109 - 2¹⁶ = 240601573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240667103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120333554 + 120333555.

It is an arithmetic number, because the mean of its divisors is an integer number (120333555).

Almost surely, 2^240667109 is an apocalyptic number.

It is an amenable number.

240667109 is a deficient number, since it is larger than the sum of its proper divisors (1).

240667109 is an equidigital number, since it uses as much as digits as its factorization.

240667109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 240667109 is about 15513.4492940803. The cubic root of 240667109 is about 622.0217637295.

The spelling of 240667109 in words is "two hundred forty million, six hundred sixty-seven thousand, one hundred nine".