140380663 has 2 divisors, whose sum is σ = 140380664. Its totient is φ = 140380662.

The previous prime is 140380637. The next prime is 140380697. The reversal of 140380663 is 366083041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140380663 - 2¹³ = 140372471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140380613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70190331 + 70190332.

It is an arithmetic number, because the mean of its divisors is an integer number (70190332).

Almost surely, 2^140380663 is an apocalyptic number.

140380663 is a deficient number, since it is larger than the sum of its proper divisors (1).

140380663 is an equidigital number, since it uses as much as digits as its factorization.

140380663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 140380663 is about 11848.2345942339. The cubic root of 140380663 is about 519.7196010469.

The spelling of 140380663 in words is "one hundred forty million, three hundred eighty thousand, six hundred sixty-three".