140591063 has 2 divisors, whose sum is σ = 140591064. Its totient is φ = 140591062.

The previous prime is 140591047. The next prime is 140591119. The reversal of 140591063 is 360195041.

It is a weak prime.

It is an emirp because it is prime and its reverse (360195041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140591063 - 2⁴ = 140591047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140591263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70295531 + 70295532.

It is an arithmetic number, because the mean of its divisors is an integer number (70295532).

Almost surely, 2^140591063 is an apocalyptic number.

140591063 is a deficient number, since it is larger than the sum of its proper divisors (1).

140591063 is an equidigital number, since it uses as much as digits as its factorization.

140591063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 140591063 is about 11857.1102297314. The cubic root of 140591063 is about 519.9791202168.

The spelling of 140591063 in words is "one hundred forty million, five hundred ninety-one thousand, sixty-three".