140028518734566 has 96 divisors (see below), whose sum is σ = 355401730961280. Its totient is φ = 36370565481600.

The previous prime is 140028518734561. The next prime is 140028518734589. The reversal of 140028518734566 is 665437815820041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140028518734561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292046146 + ... + 292525226.

It is an arithmetic number, because the mean of its divisors is an integer number (3702101364180).

Almost surely, 2^{140028518734566} is an apocalyptic number.

140028518734566 is an abundant number, since it is smaller than the sum of its proper divisors (215373212226714).

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

140028518734566 is a wasteful number, since it uses less digits than its factorization.

140028518734566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569490 (or 569483 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 60.

The spelling of 140028518734566 in words is "one hundred forty trillion, twenty-eight billion, five hundred eighteen million, seven hundred thirty-four thousand, five hundred sixty-six".