140064139139 has 4 divisors (see below), whose sum is σ = 140125118424. Its totient is φ = 140003159856.

The previous prime is 140064139121. The next prime is 140064139151. The reversal of 140064139139 is 931931460041.

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 140064139139 - 2⁸ = 140064138883 is a prime.

It is a super-2 number, since 2×140064139139² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140064139096 and 140064139105.

It is not an unprimeable number, because it can be changed into a prime (140064139939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30486197 + ... + 30490790.

It is an arithmetic number, because the mean of its divisors is an integer number (35031279606).

Almost surely, 2^140064139139 is an apocalyptic number.

140064139139 is a deficient number, since it is larger than the sum of its proper divisors (60979285).

140064139139 is an equidigital number, since it uses as much as digits as its factorization.

140064139139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60979284.

The product of its (nonzero) digits is 69984, while the sum is 41.

The spelling of 140064139139 in words is "one hundred forty billion, sixty-four million, one hundred thirty-nine thousand, one hundred thirty-nine".