10140869 has 2 divisors, whose sum is σ = 10140870. Its totient is φ = 10140868.

The previous prime is 10140863. The next prime is 10140883. The reversal of 10140869 is 96804101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7628644 + 2512225 = 2762^2 + 1585^2 .

It is an emirp because it is prime and its reverse (96804101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10140869 - 2⁴ = 10140853 is a prime.

It is a super-2 number, since 2×10140869² = 205674448150322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10140863) 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, 5070434 + 5070435.

It is an arithmetic number, because the mean of its divisors is an integer number (5070435).

Almost surely, 2^10140869 is an apocalyptic number.

It is an amenable number.

10140869 is a deficient number, since it is larger than the sum of its proper divisors (1).

10140869 is an equidigital number, since it uses as much as digits as its factorization.

10140869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10140869 is about 3184.4731118350. The cubic root of 10140869 is about 216.4503990612.

The spelling of 10140869 in words is "ten million, one hundred forty thousand, eight hundred sixty-nine".