109135541 has 2 divisors, whose sum is σ = 109135542. Its totient is φ = 109135540.

The previous prime is 109135519. The next prime is 109135547. The reversal of 109135541 is 145531901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91107025 + 18028516 = 9545^2 + 4246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109135541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109135547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54567770 + 54567771.

It is an arithmetic number, because the mean of its divisors is an integer number (54567771).

Almost surely, 2^109135541 is an apocalyptic number.

It is an amenable number.

109135541 is a deficient number, since it is larger than the sum of its proper divisors (1).

109135541 is an equidigital number, since it uses as much as digits as its factorization.

109135541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 29.

The square root of 109135541 is about 10446.7957288348. The cubic root of 109135541 is about 477.8835360478.

The spelling of 109135541 in words is "one hundred nine million, one hundred thirty-five thousand, five hundred forty-one".