140030771 has 2 divisors, whose sum is σ = 140030772. Its totient is φ = 140030770.

The previous prime is 140030753. The next prime is 140030773. The reversal of 140030771 is 177030041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140030771 - 2¹⁸ = 139768627 is a prime.

Together with 140030773, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (140030773) 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, 70015385 + 70015386.

It is an arithmetic number, because the mean of its divisors is an integer number (70015386).

Almost surely, 2^140030771 is an apocalyptic number.

140030771 is a deficient number, since it is larger than the sum of its proper divisors (1).

140030771 is an equidigital number, since it uses as much as digits as its factorization.

140030771 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 140030771 is about 11833.4598068359. The cubic root of 140030771 is about 519.2874498354.

The spelling of 140030771 in words is "one hundred forty million, thirty thousand, seven hundred seventy-one".