140057742687 has 8 divisors (see below), whose sum is σ = 186778215936. Its totient is φ = 93354548952.

The previous prime is 140057742667. The next prime is 140057742697. The reversal of 140057742687 is 786247750041.

140057742687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 140057742687 - 2¹⁵ = 140057709919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140057742667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4300953 + ... + 4333394.

It is an arithmetic number, because the mean of its divisors is an integer number (23347276992).

Almost surely, 2^140057742687 is an apocalyptic number.

140057742687 is a deficient number, since it is larger than the sum of its proper divisors (46720473249).

140057742687 is an equidigital number, since it uses as much as digits as its factorization.

140057742687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639757.

The product of its (nonzero) digits is 2634240, while the sum is 51.

The spelling of 140057742687 in words is "one hundred forty billion, fifty-seven million, seven hundred forty-two thousand, six hundred eighty-seven".