140440063 has 2 divisors, whose sum is σ = 140440064. Its totient is φ = 140440062.

The previous prime is 140440037. The next prime is 140440073. The reversal of 140440063 is 360044041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140440063 - 2²⁵ = 106885631 is a prime.

It is a super-2 number, since 2×140440063² = 39446822590887938, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140440073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70220031 + 70220032.

It is an arithmetic number, because the mean of its divisors is an integer number (70220032).

Almost surely, 2^140440063 is an apocalyptic number.

140440063 is a deficient number, since it is larger than the sum of its proper divisors (1).

140440063 is an equidigital number, since it uses as much as digits as its factorization.

140440063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 140440063 is about 11850.7410316824. The cubic root of 140440063 is about 519.7928945961.

The spelling of 140440063 in words is "one hundred forty million, four hundred forty thousand, sixty-three".