140818487827406 has 4 divisors (see below), whose sum is σ = 211227731741112. Its totient is φ = 70409243913702.

The previous prime is 140818487827387. The next prime is 140818487827421. The reversal of 140818487827406 is 604728784818041.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35204621956850 + ... + 35204621956853.

It is an arithmetic number, because the mean of its divisors is an integer number (52806932935278).

Almost surely, 2^{140818487827406} is an apocalyptic number.

140818487827406 is a deficient number, since it is larger than the sum of its proper divisors (70409243913706).

140818487827406 is an equidigital number, since it uses as much as digits as its factorization.

140818487827406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70409243913705.

The product of its (nonzero) digits is 154140672, while the sum is 68.

The spelling of 140818487827406 in words is "one hundred forty trillion, eight hundred eighteen billion, four hundred eighty-seven million, eight hundred twenty-seven thousand, four hundred six".