140340803 has 2 divisors, whose sum is σ = 140340804. Its totient is φ = 140340802.

The previous prime is 140340769. The next prime is 140340817. The reversal of 140340803 is 308043041.

140340803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140340803 is a prime.

It is not a weakly prime, because it can be changed into another prime (140340853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70170401 + 70170402.

It is an arithmetic number, because the mean of its divisors is an integer number (70170402).

Almost surely, 2^140340803 is an apocalyptic number.

140340803 is a deficient number, since it is larger than the sum of its proper divisors (1).

140340803 is an equidigital number, since it uses as much as digits as its factorization.

140340803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140340803 is about 11846.5523676722. The cubic root of 140340803 is about 519.6704062745.

Adding to 140340803 its reverse (308043041), we get a palindrome (448383844).

The spelling of 140340803 in words is "one hundred forty million, three hundred forty thousand, eight hundred three".