140606765 has 8 divisors (see below), whose sum is σ = 181707288. Its totient is φ = 103832640.

The previous prime is 140606759. The next prime is 140606777. The reversal of 140606765 is 567606041.

140606765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5373124 + 135233641 = 2318^2 + 11629^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140606765 - 2¹⁰ = 140605741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081526 + ... + 1081655.

It is an arithmetic number, because the mean of its divisors is an integer number (22713411).

Almost surely, 2^140606765 is an apocalyptic number.

It is an amenable number.

140606765 is a deficient number, since it is larger than the sum of its proper divisors (41100523).

140606765 is a wasteful number, since it uses less digits than its factorization.

140606765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163199.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 140606765 is about 11857.7723455968. The cubic root of 140606765 is about 519.9984775596.

The spelling of 140606765 in words is "one hundred forty million, six hundred six thousand, seven hundred sixty-five".