140068759 has 4 divisors (see below), whose sum is σ = 143326216. Its totient is φ = 136811304.

The previous prime is 140068739. The next prime is 140068769. The reversal of 140068759 is 957860041.

140068759 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 140068759 - 2⁷ = 140068631 is a prime.

It is a super-3 number, since 3×140068759³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140068739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1628664 + ... + 1628749.

It is an arithmetic number, because the mean of its divisors is an integer number (35831554).

Almost surely, 2^140068759 is an apocalyptic number.

140068759 is a deficient number, since it is larger than the sum of its proper divisors (3257457).

140068759 is an equidigital number, since it uses as much as digits as its factorization.

140068759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3257456.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 140068759 is about 11835.0648075961. The cubic root of 140068759 is about 519.3344035822.

The spelling of 140068759 in words is "one hundred forty million, sixty-eight thousand, seven hundred fifty-nine".