140320257564 has 24 divisors (see below), whose sum is σ = 327517536640. Its totient is φ = 46758618864.

The previous prime is 140320257527. The next prime is 140320257577. The reversal of 140320257564 is 465752023041.

140320257564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 1810504 + ... + 1886415.

Almost surely, 2^140320257564 is an apocalyptic number.

It is an amenable number.

140320257564 is an abundant number, since it is smaller than the sum of its proper divisors (187197279076).

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

140320257564 is a wasteful number, since it uses less digits than its factorization.

140320257564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700089 (or 3700087 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 140320257564 in words is "one hundred forty billion, three hundred twenty million, two hundred fifty-seven thousand, five hundred sixty-four".