140001427 has 2 divisors, whose sum is σ = 140001428. Its totient is φ = 140001426.

The previous prime is 140001401. The next prime is 140001439. The reversal of 140001427 is 724100041.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140001427 is a prime.

It is not a weakly prime, because it can be changed into another prime (140031427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70000713 + 70000714.

It is an arithmetic number, because the mean of its divisors is an integer number (70000714).

Almost surely, 2^140001427 is an apocalyptic number.

140001427 is a deficient number, since it is larger than the sum of its proper divisors (1).

140001427 is an equidigital number, since it uses as much as digits as its factorization.

140001427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 140001427 is about 11832.2198678016. The cubic root of 140001427 is about 519.2511743908.

Adding to 140001427 its reverse (724100041), we get a palindrome (864101468).

It can be divided in two parts, 1400014 and 27, that added together give a palindrome (1400041).

The spelling of 140001427 in words is "one hundred forty million, one thousand, four hundred twenty-seven".