140339081766 has 64 divisors (see below), whose sum is σ = 303051688128. Its totient is φ = 43069598208.

The previous prime is 140339081741. The next prime is 140339081789. The reversal of 140339081766 is 667180933041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74766820 + ... + 74768696.

It is an arithmetic number, because the mean of its divisors is an integer number (4735182627).

Almost surely, 2^140339081766 is an apocalyptic number.

140339081766 is an abundant number, since it is smaller than the sum of its proper divisors (162712606362).

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

140339081766 is a wasteful number, since it uses less digits than its factorization.

140339081766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3865.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 140339081766 in words is "one hundred forty billion, three hundred thirty-nine million, eighty-one thousand, seven hundred sixty-six".