140400563 has 2 divisors, whose sum is σ = 140400564. Its totient is φ = 140400562.

The previous prime is 140400529. The next prime is 140400593. The reversal of 140400563 is 365004041.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140400563 - 2¹² = 140396467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (140400593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70200281 + 70200282.

It is an arithmetic number, because the mean of its divisors is an integer number (70200282).

Almost surely, 2^140400563 is an apocalyptic number.

140400563 is a deficient number, since it is larger than the sum of its proper divisors (1).

140400563 is an equidigital number, since it uses as much as digits as its factorization.

140400563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 140400563 is about 11849.0743520327. The cubic root of 140400563 is about 519.7441579224.

The spelling of 140400563 in words is "one hundred forty million, four hundred thousand, five hundred sixty-three".