140753243 has 2 divisors, whose sum is σ = 140753244. Its totient is φ = 140753242.

The previous prime is 140753209. The next prime is 140753279. The reversal of 140753243 is 342357041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140753243 - 2⁸ = 140752987 is a prime.

It is a super-2 number, since 2×140753243² = 39622950830034098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140758243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70376621 + 70376622.

It is an arithmetic number, because the mean of its divisors is an integer number (70376622).

Almost surely, 2^140753243 is an apocalyptic number.

140753243 is a deficient number, since it is larger than the sum of its proper divisors (1).

140753243 is an equidigital number, since it uses as much as digits as its factorization.

140753243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 140753243 is about 11863.9471930720. The cubic root of 140753243 is about 520.1789854764.

The spelling of 140753243 in words is "one hundred forty million, seven hundred fifty-three thousand, two hundred forty-three".