140421283 has 2 divisors, whose sum is σ = 140421284. Its totient is φ = 140421282.

The previous prime is 140421217. The next prime is 140421293. The reversal of 140421283 is 382124041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140421283 - 2⁹ = 140420771 is a prime.

It is not a weakly prime, because it can be changed into another prime (140421293) 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, 70210641 + 70210642.

It is an arithmetic number, because the mean of its divisors is an integer number (70210642).

Almost surely, 2^140421283 is an apocalyptic number.

140421283 is a deficient number, since it is larger than the sum of its proper divisors (1).

140421283 is an equidigital number, since it uses as much as digits as its factorization.

140421283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 140421283 is about 11849.9486496778. The cubic root of 140421283 is about 519.7697242236.

The spelling of 140421283 in words is "one hundred forty million, four hundred twenty-one thousand, two hundred eighty-three".