140531741858171 has 2 divisors, whose sum is σ = 140531741858172. Its totient is φ = 140531741858170.

The previous prime is 140531741858107. The next prime is 140531741858191. The reversal of 140531741858171 is 171858147135041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140531741858171 - 2⁶ = 140531741858107 is a prime.

It is a super-2 number, since 2×140531741858171² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (140531741858191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70265870929085 + 70265870929086.

It is an arithmetic number, because the mean of its divisors is an integer number (70265870929086).

Almost surely, 2^{140531741858171} is an apocalyptic number.

140531741858171 is a deficient number, since it is larger than the sum of its proper divisors (1).

140531741858171 is an equidigital number, since it uses as much as digits as its factorization.

140531741858171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3763200, while the sum is 56.

The spelling of 140531741858171 in words is "one hundred forty trillion, five hundred thirty-one billion, seven hundred forty-one million, eight hundred fifty-eight thousand, one hundred seventy-one".