140673683 has 4 divisors (see below), whose sum is σ = 143945208. Its totient is φ = 137402160.

The previous prime is 140673671. The next prime is 140673707. The reversal of 140673683 is 386376041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386376041 = 113 ⋅3419257.

It is a cyclic number.

It is not a de Polignac number, because 140673683 - 2⁸ = 140673427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140673653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1635698 + ... + 1635783.

It is an arithmetic number, because the mean of its divisors is an integer number (35986302).

Almost surely, 2^140673683 is an apocalyptic number.

140673683 is a deficient number, since it is larger than the sum of its proper divisors (3271525).

140673683 is an equidigital number, since it uses as much as digits as its factorization.

140673683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271524.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 140673683 is about 11860.5937035209. The cubic root of 140673683 is about 520.0809575629.

The spelling of 140673683 in words is "one hundred forty million, six hundred seventy-three thousand, six hundred eighty-three".