140908793 has 2 divisors, whose sum is σ = 140908794. Its totient is φ = 140908792.

The previous prime is 140908783. The next prime is 140908811. The reversal of 140908793 is 397809041.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135187129 + 5721664 = 11627^2 + 2392^2 .

It is a cyclic number.

It is not a de Polignac number, because 140908793 - 2¹⁰ = 140907769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140908793.

It is not a weakly prime, because it can be changed into another prime (140908723) 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, 70454396 + 70454397.

It is an arithmetic number, because the mean of its divisors is an integer number (70454397).

Almost surely, 2^140908793 is an apocalyptic number.

It is an amenable number.

140908793 is a deficient number, since it is larger than the sum of its proper divisors (1).

140908793 is an equidigital number, since it uses as much as digits as its factorization.

140908793 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 140908793 is about 11870.5009582578. The cubic root of 140908793 is about 520.3705359541.

The spelling of 140908793 in words is "one hundred forty million, nine hundred eight thousand, seven hundred ninety-three".