140824069 has 2 divisors, whose sum is σ = 140824070. Its totient is φ = 140824068.

The previous prime is 140824063. The next prime is 140824153. The reversal of 140824069 is 960428041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124055044 + 16769025 = 11138^2 + 4095^2 .

It is a cyclic number.

It is not a de Polignac number, because 140824069 - 2⁵ = 140824037 is a prime.

It is a super-2 number, since 2×140824069² = 39662836819433522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140824063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70412034 + 70412035.

It is an arithmetic number, because the mean of its divisors is an integer number (70412035).

Almost surely, 2^140824069 is an apocalyptic number.

It is an amenable number.

140824069 is a deficient number, since it is larger than the sum of its proper divisors (1).

140824069 is an equidigital number, since it uses as much as digits as its factorization.

140824069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 140824069 is about 11866.9317432941. The cubic root of 140824069 is about 520.2662209299.

The spelling of 140824069 in words is "one hundred forty million, eight hundred twenty-four thousand, sixty-nine".