140394283 has 2 divisors, whose sum is σ = 140394284. Its totient is φ = 140394282.

The previous prime is 140394271. The next prime is 140394389. The reversal of 140394283 is 382493041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140394283 - 2²⁵ = 106839851 is a prime.

It is not a weakly prime, because it can be changed into another prime (140394203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70197141 + 70197142.

It is an arithmetic number, because the mean of its divisors is an integer number (70197142).

Almost surely, 2^140394283 is an apocalyptic number.

140394283 is a deficient number, since it is larger than the sum of its proper divisors (1).

140394283 is an equidigital number, since it uses as much as digits as its factorization.

140394283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 140394283 is about 11848.8093494663. The cubic root of 140394283 is about 519.7364085661.

The spelling of 140394283 in words is "one hundred forty million, three hundred ninety-four thousand, two hundred eighty-three".