140269369 has 2 divisors, whose sum is σ = 140269370. Its totient is φ = 140269368.

The previous prime is 140269313. The next prime is 140269411. The reversal of 140269369 is 963962041.

140269369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72454144 + 67815225 = 8512^2 + 8235^2 .

It is a cyclic number.

It is not a de Polignac number, because 140269369 - 2¹⁵ = 140236601 is a prime.

It is a super-2 number, since 2×140269369² = 39350991759316322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140269309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70134684 + 70134685.

It is an arithmetic number, because the mean of its divisors is an integer number (70134685).

Almost surely, 2^140269369 is an apocalyptic number.

It is an amenable number.

140269369 is a deficient number, since it is larger than the sum of its proper divisors (1).

140269369 is an equidigital number, since it uses as much as digits as its factorization.

140269369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 140269369 is about 11843.5370139161. The cubic root of 140269369 is about 519.5822199090.

The spelling of 140269369 in words is "one hundred forty million, two hundred sixty-nine thousand, three hundred sixty-nine".