109990141 has 2 divisors, whose sum is σ = 109990142. Its totient is φ = 109990140.

The previous prime is 109990129. The next prime is 109990151. The reversal of 109990141 is 141099901.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91757241 + 18232900 = 9579^2 + 4270^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109990141 is a prime.

It is a super-2 number, since 2×109990141² = 24195662234399762, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 109990097 and 109990106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109990151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54995070 + 54995071.

It is an arithmetic number, because the mean of its divisors is an integer number (54995071).

Almost surely, 2^109990141 is an apocalyptic number.

It is an amenable number.

109990141 is a deficient number, since it is larger than the sum of its proper divisors (1).

109990141 is an equidigital number, since it uses as much as digits as its factorization.

109990141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 34.

The square root of 109990141 is about 10487.6184617863. The cubic root of 109990141 is about 479.1276705488.

The spelling of 109990141 in words is "one hundred nine million, nine hundred ninety thousand, one hundred forty-one".