109739387 has 2 divisors, whose sum is σ = 109739388. Its totient is φ = 109739386.

The previous prime is 109739381. The next prime is 109739419. The reversal of 109739387 is 783937901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109739387 - 2⁶ = 109739323 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109739381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54869693 + 54869694.

It is an arithmetic number, because the mean of its divisors is an integer number (54869694).

Almost surely, 2^109739387 is an apocalyptic number.

109739387 is a deficient number, since it is larger than the sum of its proper divisors (1).

109739387 is an equidigital number, since it uses as much as digits as its factorization.

109739387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 47.

The square root of 109739387 is about 10475.6568767787. The cubic root of 109739387 is about 478.7632906299.

The spelling of 109739387 in words is "one hundred nine million, seven hundred thirty-nine thousand, three hundred eighty-seven".