140563693 has 2 divisors, whose sum is σ = 140563694. Its totient is φ = 140563692.

The previous prime is 140563651. The next prime is 140563721. The reversal of 140563693 is 396365041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104407524 + 36156169 = 10218^2 + 6013^2 .

It is a cyclic number.

It is not a de Polignac number, because 140563693 - 2²⁵ = 107009261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140563993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70281846 + 70281847.

It is an arithmetic number, because the mean of its divisors is an integer number (70281847).

Almost surely, 2^140563693 is an apocalyptic number.

It is an amenable number.

140563693 is a deficient number, since it is larger than the sum of its proper divisors (1).

140563693 is an equidigital number, since it uses as much as digits as its factorization.

140563693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 37.

The square root of 140563693 is about 11855.9560137511. The cubic root of 140563693 is about 519.9453751791.

The spelling of 140563693 in words is "one hundred forty million, five hundred sixty-three thousand, six hundred ninety-three".