140251691147568 has 640 divisors, whose sum is σ = 491694353547264. Its totient is φ = 33266980454400.

The previous prime is 140251691147549. The next prime is 140251691147569. The reversal of 140251691147568 is 865741196152041.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (140251691147569) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2154007333 + ... + 2154072443.

Almost surely, 2^{140251691147568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140251691147568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245847176773632).

140251691147568 is an abundant number, since it is smaller than the sum of its proper divisors (351442662399696).

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

140251691147568 is a wasteful number, since it uses less digits than its factorization.

140251691147568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65633 (or 65627 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 140251691147568 in words is "one hundred forty trillion, two hundred fifty-one billion, six hundred ninety-one million, one hundred forty-seven thousand, five hundred sixty-eight".