109540141 has 2 divisors, whose sum is σ = 109540142. Its totient is φ = 109540140.

The previous prime is 109540117. The next prime is 109540157. The reversal of 109540141 is 141045901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83997225 + 25542916 = 9165^2 + 5054^2 .

It is an emirp because it is prime and its reverse (141045901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109540141 - 2²⁵ = 75985709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109520141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54770070 + 54770071.

It is an arithmetic number, because the mean of its divisors is an integer number (54770071).

Almost surely, 2^109540141 is an apocalyptic number.

It is an amenable number.

109540141 is a deficient number, since it is larger than the sum of its proper divisors (1).

109540141 is an equidigital number, since it uses as much as digits as its factorization.

109540141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 109540141 is about 10466.1426036530. The cubic root of 109540141 is about 478.4733629401.

The spelling of 109540141 in words is "one hundred nine million, five hundred forty thousand, one hundred forty-one".