140691513073 has 4 divisors (see below), whose sum is σ = 142618794148. Its totient is φ = 138764232000.

The previous prime is 140691513029. The next prime is 140691513077. The reversal of 140691513073 is 370315196041.

140691513073 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 can be written as a sum of positive squares in 2 ways, for example, as 102021470464 + 38670042609 = 319408^2 + 196647^2 .

It is a cyclic number.

It is not a de Polignac number, because 140691513073 - 2⁹ = 140691512561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140691513077) 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, 963640428 + ... + 963640573.

It is an arithmetic number, because the mean of its divisors is an integer number (35654698537).

Almost surely, 2^140691513073 is an apocalyptic number.

It is an amenable number.

140691513073 is a deficient number, since it is larger than the sum of its proper divisors (1927281075).

140691513073 is an equidigital number, since it uses as much as digits as its factorization.

140691513073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1927281074.

The product of its (nonzero) digits is 68040, while the sum is 40.

The spelling of 140691513073 in words is "one hundred forty billion, six hundred ninety-one million, five hundred thirteen thousand, seventy-three".