140993871 has 8 divisors (see below), whose sum is σ = 188049840. Its totient is φ = 93966912.

The previous prime is 140993849. The next prime is 140993873. The reversal of 140993871 is 178399041.

It is a happy number.

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

It is not a de Polignac number, because 140993871 - 2⁶ = 140993807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140993873) 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, 9861 + ... + 19473.

It is an arithmetic number, because the mean of its divisors is an integer number (23506230).

Almost surely, 2^140993871 is an apocalyptic number.

140993871 is a deficient number, since it is larger than the sum of its proper divisors (47055969).

140993871 is an equidigital number, since it uses as much as digits as its factorization.

140993871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14505.

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 140993871 is about 11874.0840067771. The cubic root of 140993871 is about 520.4752447668.

The spelling of 140993871 in words is "one hundred forty million, nine hundred ninety-three thousand, eight hundred seventy-one".