140826863 has 2 divisors, whose sum is σ = 140826864. Its totient is φ = 140826862.

The previous prime is 140826859. The next prime is 140826887. The reversal of 140826863 is 368628041.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140826863 - 2² = 140826859 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140825863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70413431 + 70413432.

It is an arithmetic number, because the mean of its divisors is an integer number (70413432).

Almost surely, 2^140826863 is an apocalyptic number.

140826863 is a deficient number, since it is larger than the sum of its proper divisors (1).

140826863 is an equidigital number, since it uses as much as digits as its factorization.

140826863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 140826863 is about 11867.0494647996. The cubic root of 140826863 is about 520.2696616632.

The spelling of 140826863 in words is "one hundred forty million, eight hundred twenty-six thousand, eight hundred sixty-three".