140893171 has 12 divisors (see below), whose sum is σ = 146392032. Its totient is φ = 135594000.

The previous prime is 140893163. The next prime is 140893183. The reversal of 140893171 is 171398041.

It is not a de Polignac number, because 140893171 - 2³ = 140893163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140893111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 260161 + ... + 260701.

It is an arithmetic number, because the mean of its divisors is an integer number (12199336).

Almost surely, 2^140893171 is an apocalyptic number.

140893171 is a deficient number, since it is larger than the sum of its proper divisors (5498861).

140893171 is an equidigital number, since it uses as much as digits as its factorization.

140893171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874 (or 843 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 140893171 is about 11869.8429222968. The cubic root of 140893171 is about 520.3513047697.

The spelling of 140893171 in words is "one hundred forty million, eight hundred ninety-three thousand, one hundred seventy-one".