140090953565 has 4 divisors (see below), whose sum is σ = 168109144284. Its totient is φ = 112072762848.

The previous prime is 140090953531. The next prime is 140090953571. The reversal of 140090953565 is 565359090041.

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 35183630329 + 104907323236 = 187573^2 + 323894^2 .

It is a cyclic number.

It is not a de Polignac number, because 140090953565 - 2⁸ = 140090953309 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 3 ways as a sum of consecutive naturals, for example, 14009095352 + ... + 14009095361.

It is an arithmetic number, because the mean of its divisors is an integer number (42027286071).

Almost surely, 2^140090953565 is an apocalyptic number.

It is an amenable number.

140090953565 is a deficient number, since it is larger than the sum of its proper divisors (28018190719).

140090953565 is an equidigital number, since it uses as much as digits as its factorization.

140090953565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018190718.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 140090953565 in words is "one hundred forty billion, ninety million, nine hundred fifty-three thousand, five hundred sixty-five".