140120471 has 2 divisors, whose sum is σ = 140120472. Its totient is φ = 140120470.

The previous prime is 140120467. The next prime is 140120501. The reversal of 140120471 is 174021041.

It is a weak prime.

It is an emirp because it is prime and its reverse (174021041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140120471 - 2² = 140120467 is a prime.

It is a super-3 number, since 3×140120471³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140120441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70060235 + 70060236.

It is an arithmetic number, because the mean of its divisors is an integer number (70060236).

Almost surely, 2^140120471 is an apocalyptic number.

140120471 is a deficient number, since it is larger than the sum of its proper divisors (1).

140120471 is an equidigital number, since it uses as much as digits as its factorization.

140120471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 140120471 is about 11837.2493004076. The cubic root of 140120471 is about 519.3983067599.

The spelling of 140120471 in words is "one hundred forty million, one hundred twenty thousand, four hundred seventy-one".