107942389 has 2 divisors, whose sum is σ = 107942390. Its totient is φ = 107942388.

The previous prime is 107942371. The next prime is 107942441. The reversal of 107942389 is 983249701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54140164 + 53802225 = 7358^2 + 7335^2 .

It is a cyclic number.

It is not a de Polignac number, because 107942389 - 2⁹ = 107941877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107942309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53971194 + 53971195.

It is an arithmetic number, because the mean of its divisors is an integer number (53971195).

Almost surely, 2^107942389 is an apocalyptic number.

It is an amenable number.

107942389 is a deficient number, since it is larger than the sum of its proper divisors (1).

107942389 is an equidigital number, since it uses as much as digits as its factorization.

107942389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 107942389 is about 10389.5326651395. The cubic root of 107942389 is about 476.1356229719.

The spelling of 107942389 in words is "one hundred seven million, nine hundred forty-two thousand, three hundred eighty-nine".