140656963590 has 256 divisors, whose sum is σ = 441276595200. Its totient is φ = 31431628800.

The previous prime is 140656963543. The next prime is 140656963597. The reversal of 140656963590 is 95369656041.

140656963590 is a `hidden beast` number, since 1 + 40 + 6 + 5 + 6 + 9 + 6 + 3 + 590 = 666.

140656963590 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140656963597) 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 127 ways as a sum of consecutive naturals, for example, 33163870 + ... + 33168110.

It is an arithmetic number, because the mean of its divisors is an integer number (1723736700).

Almost surely, 2^140656963590 is an apocalyptic number.

140656963590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140656963590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220638297600).

140656963590 is an abundant number, since it is smaller than the sum of its proper divisors (300619631610).

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

140656963590 is a wasteful number, since it uses less digits than its factorization.

140656963590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5140 (or 5134 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 140656963590 in words is "one hundred forty billion, six hundred fifty-six million, nine hundred sixty-three thousand, five hundred ninety".