140589487861 has 8 divisors (see below), whose sum is σ = 141616974848. Its totient is φ = 139563270000.

The previous prime is 140589487837. The next prime is 140589487903. The reversal of 140589487861 is 168784985041.

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

It is a cyclic number.

It is not a de Polignac number, because 140589487861 - 2¹⁹ = 140588963573 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140589487861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140589487061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94350 + ... + 538591.

It is an arithmetic number, because the mean of its divisors is an integer number (17702121856).

Almost surely, 2^140589487861 is an apocalyptic number.

It is an amenable number.

140589487861 is a deficient number, since it is larger than the sum of its proper divisors (1027486987).

140589487861 is a wasteful number, since it uses less digits than its factorization.

140589487861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634563.

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 140589487861 in words is "one hundred forty billion, five hundred eighty-nine million, four hundred eighty-seven thousand, eight hundred sixty-one".