140203663 has 2 divisors, whose sum is σ = 140203664. Its totient is φ = 140203662.

The previous prime is 140203639. The next prime is 140203673. The reversal of 140203663 is 366302041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140203663 - 2⁵ = 140203631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140203633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70101831 + 70101832.

It is an arithmetic number, because the mean of its divisors is an integer number (70101832).

Almost surely, 2^140203663 is an apocalyptic number.

140203663 is a deficient number, since it is larger than the sum of its proper divisors (1).

140203663 is an equidigital number, since it uses as much as digits as its factorization.

140203663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 140203663 is about 11840.7627710380. The cubic root of 140203663 is about 519.5010784082.

The spelling of 140203663 in words is "one hundred forty million, two hundred three thousand, six hundred sixty-three".