140784388263 has 48 divisors (see below), whose sum is σ = 211372761600. Its totient is φ = 90235639872.

The previous prime is 140784388237. The next prime is 140784388273. The reversal of 140784388263 is 362883487041.

140784388263 is a `hidden beast` number, since 1 + 4 + 0 + 78 + 438 + 82 + 63 = 666.

It is not a de Polignac number, because 140784388263 - 2¹³ = 140784380071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140784388273) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6646213 + ... + 6667361.

It is an arithmetic number, because the mean of its divisors is an integer number (4403599200).

Almost surely, 2^140784388263 is an apocalyptic number.

140784388263 is a deficient number, since it is larger than the sum of its proper divisors (70588373337).

140784388263 is a wasteful number, since it uses less digits than its factorization.

140784388263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21468 (or 21465 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 140784388263 in words is "one hundred forty billion, seven hundred eighty-four million, three hundred eighty-eight thousand, two hundred sixty-three".