140353871 has 8 divisors (see below), whose sum is σ = 161106720. Its totient is φ = 119776608.

The previous prime is 140353813. The next prime is 140353879. The reversal of 140353871 is 178353041.

140353871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-140353871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140353879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42176 + ... + 45381.

It is an arithmetic number, because the mean of its divisors is an integer number (20138340).

Almost surely, 2^140353871 is an apocalyptic number.

140353871 is a deficient number, since it is larger than the sum of its proper divisors (20752849).

140353871 is an equidigital number, since it uses as much as digits as its factorization.

140353871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87793.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 140353871 is about 11847.1039077067. The cubic root of 140353871 is about 519.6865356822.

The spelling of 140353871 in words is "one hundred forty million, three hundred fifty-three thousand, eight hundred seventy-one".