140265202985 has 4 divisors (see below), whose sum is σ = 168318243588. Its totient is φ = 112212162384.

The previous prime is 140265202937. The next prime is 140265203003. The reversal of 140265202985 is 589202562041.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51115783744 + 89149419241 = 226088^2 + 298579^2 .

It is a cyclic number.

It is not a de Polignac number, because 140265202985 - 2⁶ = 140265202921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14026520294 + ... + 14026520303.

It is an arithmetic number, because the mean of its divisors is an integer number (42079560897).

Almost surely, 2^140265202985 is an apocalyptic number.

It is an amenable number.

140265202985 is a deficient number, since it is larger than the sum of its proper divisors (28053040603).

140265202985 is an equidigital number, since it uses as much as digits as its factorization.

140265202985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28053040602.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 140265202985 in words is "one hundred forty billion, two hundred sixty-five million, two hundred two thousand, nine hundred eighty-five".