410139109 has 2 divisors, whose sum is σ = 410139110. Its totient is φ = 410139108.

The previous prime is 410139091. The next prime is 410139131. The reversal of 410139109 is 901931014.

It is a happy number.

Together with previous prime (410139091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 405821025 + 4318084 = 20145^2 + 2078^2 .

It is a cyclic number.

It is not a de Polignac number, because 410139109 - 2¹⁷ = 410008037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (410139139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205069554 + 205069555.

It is an arithmetic number, because the mean of its divisors is an integer number (205069555).

Almost surely, 2^410139109 is an apocalyptic number.

It is an amenable number.

410139109 is a deficient number, since it is larger than the sum of its proper divisors (1).

410139109 is an equidigital number, since it uses as much as digits as its factorization.

410139109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 410139109 is about 20251.8914919076. The cubic root of 410139109 is about 742.9798937527.

The spelling of 410139109 in words is "four hundred ten million, one hundred thirty-nine thousand, one hundred nine".