140784455591 has 16 divisors (see below), whose sum is σ = 159634473600. Its totient is φ = 123083709408.

The previous prime is 140784455561. The next prime is 140784455593. The reversal of 140784455591 is 195554487041.

It is a happy number.

140784455591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 140784455591 - 2²² = 140780261287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140784455593) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 923900 + ... + 1065438.

It is an arithmetic number, because the mean of its divisors is an integer number (9977154600).

Almost surely, 2^140784455591 is an apocalyptic number.

140784455591 is a deficient number, since it is larger than the sum of its proper divisors (18850018009).

140784455591 is a wasteful number, since it uses less digits than its factorization.

140784455591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145598.

The product of its (nonzero) digits is 4032000, while the sum is 53.

The spelling of 140784455591 in words is "one hundred forty billion, seven hundred eighty-four million, four hundred fifty-five thousand, five hundred ninety-one".