110136989 has 2 divisors, whose sum is σ = 110136990. Its totient is φ = 110136988.

The previous prime is 110136953. The next prime is 110137009. The reversal of 110136989 is 989631011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93799225 + 16337764 = 9685^2 + 4042^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110136989 is a prime.

It is a super-2 number, since 2×110136989² = 24260312691972242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110156989) 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, 55068494 + 55068495.

It is an arithmetic number, because the mean of its divisors is an integer number (55068495).

Almost surely, 2^110136989 is an apocalyptic number.

It is an amenable number.

110136989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110136989 is an equidigital number, since it uses as much as digits as its factorization.

110136989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 110136989 is about 10494.6171440410. The cubic root of 110136989 is about 479.3408037461.

The spelling of 110136989 in words is "one hundred ten million, one hundred thirty-six thousand, nine hundred eighty-nine".