140996721467 has 4 divisors (see below), whose sum is σ = 161139110256. Its totient is φ = 120854332680.

The previous prime is 140996721449. The next prime is 140996721479. The reversal of 140996721467 is 764127699041.

140996721467 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 140996721467 - 2¹⁶ = 140996655931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140996721407) 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 3 ways as a sum of consecutive naturals, for example, 10071194384 + ... + 10071194397.

It is an arithmetic number, because the mean of its divisors is an integer number (40284777564).

Almost surely, 2^140996721467 is an apocalyptic number.

140996721467 is a deficient number, since it is larger than the sum of its proper divisors (20142388789).

140996721467 is an equidigital number, since it uses as much as digits as its factorization.

140996721467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20142388788.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 140996721467 in words is "one hundred forty billion, nine hundred ninety-six million, seven hundred twenty-one thousand, four hundred sixty-seven".