140767673 has 2 divisors, whose sum is σ = 140767674. Its totient is φ = 140767672.

The previous prime is 140767657. The next prime is 140767709. The reversal of 140767673 is 376767041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126607504 + 14160169 = 11252^2 + 3763^2 .

It is a cyclic number.

It is not a de Polignac number, because 140767673 - 2⁴ = 140767657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140767673.

It is not a weakly prime, because it can be changed into another prime (140767643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70383836 + 70383837.

It is an arithmetic number, because the mean of its divisors is an integer number (70383837).

Almost surely, 2^140767673 is an apocalyptic number.

It is an amenable number.

140767673 is a deficient number, since it is larger than the sum of its proper divisors (1).

140767673 is an equidigital number, since it uses as much as digits as its factorization.

140767673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 140767673 is about 11864.5553224721. Note that the first 3 decimals coincide. The cubic root of 140767673 is about 520.1967610911.

The spelling of 140767673 in words is "one hundred forty million, seven hundred sixty-seven thousand, six hundred seventy-three".