140454271 has 2 divisors, whose sum is σ = 140454272. Its totient is φ = 140454270.

The previous prime is 140454229. The next prime is 140454313. The reversal of 140454271 is 172454041.

It is a balanced prime because it is at equal distance from previous prime (140454229) and next prime (140454313).

It is an emirp because it is prime and its reverse (172454041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140454271 - 2⁹ = 140453759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140454071) 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, 70227135 + 70227136.

It is an arithmetic number, because the mean of its divisors is an integer number (70227136).

Almost surely, 2^140454271 is an apocalyptic number.

140454271 is a deficient number, since it is larger than the sum of its proper divisors (1).

140454271 is an equidigital number, since it uses as much as digits as its factorization.

140454271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 140454271 is about 11851.3404727060. The cubic root of 140454271 is about 519.8104227578.

The spelling of 140454271 in words is "one hundred forty million, four hundred fifty-four thousand, two hundred seventy-one".