140320492864 has 28 divisors (see below), whose sum is σ = 278819343808. Its totient is φ = 70066800000.

The previous prime is 140320492777. The next prime is 140320492933. The reversal of 140320492864 is 468294023041.

It is a self number, because there is not a number n which added to its sum of digits gives 140320492864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1411662 + ... + 1507789.

Almost surely, 2^140320492864 is an apocalyptic number.

It is an amenable number.

140320492864 is a deficient number, since it is larger than the sum of its proper divisors (138498850944).

140320492864 is an equidigital number, since it uses as much as digits as its factorization.

140320492864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2920214 (or 2920204 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 140320492864 in words is "one hundred forty billion, three hundred twenty million, four hundred ninety-two thousand, eight hundred sixty-four".