109194907 has 2 divisors, whose sum is σ = 109194908. Its totient is φ = 109194906.

The previous prime is 109194887. The next prime is 109194973. The reversal of 109194907 is 709491901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109194907 - 2⁷ = 109194779 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109194907.

It is not a weakly prime, because it can be changed into another prime (109194977) 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, 54597453 + 54597454.

It is an arithmetic number, because the mean of its divisors is an integer number (54597454).

Almost surely, 2^109194907 is an apocalyptic number.

109194907 is a deficient number, since it is larger than the sum of its proper divisors (1).

109194907 is an equidigital number, since it uses as much as digits as its factorization.

109194907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 109194907 is about 10449.6366922492. The cubic root of 109194907 is about 477.9701711048.

The spelling of 109194907 in words is "one hundred nine million, one hundred ninety-four thousand, nine hundred seven".