140831873 has 8 divisors (see below), whose sum is σ = 173331648. Its totient is φ = 111427344.

The previous prime is 140831851. The next prime is 140831897. The reversal of 140831873 is 378138041.

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

It is not a de Polignac number, because 140831873 - 2⁸ = 140831617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140831813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773711 + ... + 773892.

It is an arithmetic number, because the mean of its divisors is an integer number (21666456).

Almost surely, 2^140831873 is an apocalyptic number.

140831873 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140831873 is a deficient number, since it is larger than the sum of its proper divisors (32499775).

140831873 is a wasteful number, since it uses less digits than its factorization.

140831873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547623.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 140831873 is about 11867.2605516185. The cubic root of 140831873 is about 520.2758312250.

The spelling of 140831873 in words is "one hundred forty million, eight hundred thirty-one thousand, eight hundred seventy-three".