140371471 has 2 divisors, whose sum is σ = 140371472. Its totient is φ = 140371470.

The previous prime is 140371453. The next prime is 140371477. The reversal of 140371471 is 174173041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140371471 - 2¹⁵ = 140338703 is a prime.

It is a super-3 number, since 3×140371471³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140371477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70185735 + 70185736.

It is an arithmetic number, because the mean of its divisors is an integer number (70185736).

Almost surely, 2^140371471 is an apocalyptic number.

140371471 is a deficient number, since it is larger than the sum of its proper divisors (1).

140371471 is an equidigital number, since it uses as much as digits as its factorization.

140371471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 140371471 is about 11847.8466819925. The cubic root of 140371471 is about 519.7082572081.

The spelling of 140371471 in words is "one hundred forty million, three hundred seventy-one thousand, four hundred seventy-one".