140254208285 has 8 divisors (see below), whose sum is σ = 168308775096. Its totient is φ = 112200883200.

The previous prime is 140254208273. The next prime is 140254208293. The reversal of 140254208285 is 582802452041.

It can be written as a sum of positive squares in 4 ways, for example, as 2207778169 + 138046430116 = 46987^2 + 371546^2 .

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-140254208285 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40616 + ... + 531185.

It is an arithmetic number, because the mean of its divisors is an integer number (21038596887).

Almost surely, 2^140254208285 is an apocalyptic number.

It is an amenable number.

140254208285 is a deficient number, since it is larger than the sum of its proper divisors (28054566811).

140254208285 is an equidigital number, since it uses as much as digits as its factorization.

140254208285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620863.

The product of its (nonzero) digits is 204800, while the sum is 41.

The spelling of 140254208285 in words is "one hundred forty billion, two hundred fifty-four million, two hundred eight thousand, two hundred eighty-five".