140384269 has 2 divisors, whose sum is σ = 140384270. Its totient is φ = 140384268.

The previous prime is 140384263. The next prime is 140384297. The reversal of 140384269 is 962483041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134861769 + 5522500 = 11613^2 + 2350^2 .

It is a cyclic number.

It is not a de Polignac number, because 140384269 - 2¹³ = 140376077 is a prime.

It is a super-2 number, since 2×140384269² = 39415485965328722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140384263) 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, 70192134 + 70192135.

It is an arithmetic number, because the mean of its divisors is an integer number (70192135).

Almost surely, 2^140384269 is an apocalyptic number.

It is an amenable number.

140384269 is a deficient number, since it is larger than the sum of its proper divisors (1).

140384269 is an equidigital number, since it uses as much as digits as its factorization.

140384269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 140384269 is about 11848.3867678262. The cubic root of 140384269 is about 519.7240510730.

The spelling of 140384269 in words is "one hundred forty million, three hundred eighty-four thousand, two hundred sixty-nine".