109541389 has 2 divisors, whose sum is σ = 109541390. Its totient is φ = 109541388.

The previous prime is 109541371. The next prime is 109541401. The reversal of 109541389 is 983145901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106708900 + 2832489 = 10330^2 + 1683^2 .

It is a cyclic number.

It is not a de Polignac number, because 109541389 - 2¹⁹ = 109017101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109541309) 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, 54770694 + 54770695.

It is an arithmetic number, because the mean of its divisors is an integer number (54770695).

Almost surely, 2^109541389 is an apocalyptic number.

It is an amenable number.

109541389 is a deficient number, since it is larger than the sum of its proper divisors (1).

109541389 is an equidigital number, since it uses as much as digits as its factorization.

109541389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 109541389 is about 10466.2022243028. The cubic root of 109541389 is about 478.4751800289.

The spelling of 109541389 in words is "one hundred nine million, five hundred forty-one thousand, three hundred eighty-nine".