140869271 has 2 divisors, whose sum is σ = 140869272. Its totient is φ = 140869270.

The previous prime is 140869243. The next prime is 140869277. The reversal of 140869271 is 172968041.

It is a strong prime.

It is an emirp because it is prime and its reverse (172968041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 140869271 - 2⁶ = 140869207 is a prime.

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 (140869277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70434635 + 70434636.

It is an arithmetic number, because the mean of its divisors is an integer number (70434636).

Almost surely, 2^140869271 is an apocalyptic number.

140869271 is a deficient number, since it is larger than the sum of its proper divisors (1).

140869271 is an equidigital number, since it uses as much as digits as its factorization.

140869271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 140869271 is about 11868.8361265964. The cubic root of 140869271 is about 520.3218803498.

The spelling of 140869271 in words is "one hundred forty million, eight hundred sixty-nine thousand, two hundred seventy-one".