140310427 has 2 divisors, whose sum is σ = 140310428. Its totient is φ = 140310426.

The previous prime is 140310409. The next prime is 140310473. The reversal of 140310427 is 724013041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140310427 - 2¹⁹ = 139786139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 140310398 and 140310407.

It is not a weakly prime, because it can be changed into another prime (140310827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70155213 + 70155214.

It is an arithmetic number, because the mean of its divisors is an integer number (70155214).

Almost surely, 2^140310427 is an apocalyptic number.

140310427 is a deficient number, since it is larger than the sum of its proper divisors (1).

140310427 is an equidigital number, since it uses as much as digits as its factorization.

140310427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140310427 is about 11845.2702375252. The cubic root of 140310427 is about 519.6329102957.

Adding to 140310427 its reverse (724013041), we get a palindrome (864323468).

The spelling of 140310427 in words is "one hundred forty million, three hundred ten thousand, four hundred twenty-seven".