140938471 has 2 divisors, whose sum is σ = 140938472. Its totient is φ = 140938470.

The previous prime is 140938451. The next prime is 140938489. The reversal of 140938471 is 174839041.

140938471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140938471 - 2¹¹ = 140936423 is a prime.

It is a super-3 number, since 3×140938471³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140938471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140938451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70469235 + 70469236.

It is an arithmetic number, because the mean of its divisors is an integer number (70469236).

Almost surely, 2^140938471 is an apocalyptic number.

140938471 is a deficient number, since it is larger than the sum of its proper divisors (1).

140938471 is an equidigital number, since it uses as much as digits as its factorization.

140938471 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 37.

The square root of 140938471 is about 11871.7509660538. The cubic root of 140938471 is about 520.4070666118.

The spelling of 140938471 in words is "one hundred forty million, nine hundred thirty-eight thousand, four hundred seventy-one".