140968057 has 2 divisors, whose sum is σ = 140968058. Its totient is φ = 140968056.

The previous prime is 140968033. The next prime is 140968073. The reversal of 140968057 is 750869041.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138862656 + 2105401 = 11784^2 + 1451^2 .

It is a cyclic number.

It is not a de Polignac number, because 140968057 - 2¹¹ = 140966009 is a prime.

It is not a weakly prime, because it can be changed into another prime (140968007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70484028 + 70484029.

It is an arithmetic number, because the mean of its divisors is an integer number (70484029).

Almost surely, 2^140968057 is an apocalyptic number.

It is an amenable number.

140968057 is a deficient number, since it is larger than the sum of its proper divisors (1).

140968057 is an equidigital number, since it uses as much as digits as its factorization.

140968057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 140968057 is about 11872.9969679100. The cubic root of 140968057 is about 520.4434789226.

The spelling of 140968057 in words is "one hundred forty million, nine hundred sixty-eight thousand, fifty-seven".