140420627 has 2 divisors, whose sum is σ = 140420628. Its totient is φ = 140420626.

The previous prime is 140420617. The next prime is 140420713. The reversal of 140420627 is 726024041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140420627 - 2⁶ = 140420563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140420596 and 140420605.

It is not a weakly prime, because it can be changed into another prime (140420617) 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, 70210313 + 70210314.

It is an arithmetic number, because the mean of its divisors is an integer number (70210314).

Almost surely, 2^140420627 is an apocalyptic number.

140420627 is a deficient number, since it is larger than the sum of its proper divisors (1).

140420627 is an equidigital number, since it uses as much as digits as its factorization.

140420627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 140420627 is about 11849.9209702006. The cubic root of 140420627 is about 519.7689148271.

Adding to 140420627 its reverse (726024041), we get a palindrome (866444668).

The spelling of 140420627 in words is "one hundred forty million, four hundred twenty thousand, six hundred twenty-seven".