140463580686 has 64 divisors (see below), whose sum is σ = 330418400256. Its totient is φ = 39245500800.

The previous prime is 140463580637. The next prime is 140463580693. The reversal of 140463580686 is 686085364041.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 659131 + ... + 845801.

It is an arithmetic number, because the mean of its divisors is an integer number (5162787504).

Almost surely, 2^140463580686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140463580686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165209200128).

140463580686 is an abundant number, since it is smaller than the sum of its proper divisors (189954819570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140463580686 is a wasteful number, since it uses less digits than its factorization.

140463580686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187577.

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 140463580686 in words is "one hundred forty billion, four hundred sixty-three million, five hundred eighty thousand, six hundred eighty-six".