140641063 has 2 divisors, whose sum is σ = 140641064. Its totient is φ = 140641062.

The previous prime is 140641031. The next prime is 140641069. The reversal of 140641063 is 360146041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140641063 - 2⁵ = 140641031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140641069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70320531 + 70320532.

It is an arithmetic number, because the mean of its divisors is an integer number (70320532).

Almost surely, 2^140641063 is an apocalyptic number.

140641063 is a deficient number, since it is larger than the sum of its proper divisors (1).

140641063 is an equidigital number, since it uses as much as digits as its factorization.

140641063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 140641063 is about 11859.2184818393. The cubic root of 140641063 is about 520.0407549418.

The spelling of 140641063 in words is "one hundred forty million, six hundred forty-one thousand, sixty-three".