140056416561 has 8 divisors (see below), whose sum is σ = 187068934624. Its totient is φ = 93207421440.

The previous prime is 140056416557. The next prime is 140056416587. The reversal of 140056416561 is 165614650041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140056416561 - 2² = 140056416557 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140056416161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40878736 + ... + 40882161.

It is an arithmetic number, because the mean of its divisors is an integer number (23383616828).

Almost surely, 2^140056416561 is an apocalyptic number.

It is an amenable number.

140056416561 is a deficient number, since it is larger than the sum of its proper divisors (47012518063).

140056416561 is an equidigital number, since it uses as much as digits as its factorization.

140056416561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81761471.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 140056416561 in words is "one hundred forty billion, fifty-six million, four hundred sixteen thousand, five hundred sixty-one".