140126456566 has 4 divisors (see below), whose sum is σ = 210189684852. Its totient is φ = 70063228282.

The previous prime is 140126456537. The next prime is 140126456567. The reversal of 140126456566 is 665654621041.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140126456567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35031614140 + ... + 35031614143.

It is an arithmetic number, because the mean of its divisors is an integer number (52547421213).

Almost surely, 2^140126456566 is an apocalyptic number.

140126456566 is a deficient number, since it is larger than the sum of its proper divisors (70063228286).

140126456566 is an equidigital number, since it uses as much as digits as its factorization.

140126456566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70063228285.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 140126456566 in words is "one hundred forty billion, one hundred twenty-six million, four hundred fifty-six thousand, five hundred sixty-six".