140660759 has 4 divisors (see below), whose sum is σ = 145511160. Its totient is φ = 135810360.

The previous prime is 140660753. The next prime is 140660761. The reversal of 140660759 is 957066041.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140660759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140660753) 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, 2425157 + ... + 2425214.

It is an arithmetic number, because the mean of its divisors is an integer number (36377790).

Almost surely, 2^140660759 is an apocalyptic number.

140660759 is a deficient number, since it is larger than the sum of its proper divisors (4850401).

140660759 is an equidigital number, since it uses as much as digits as its factorization.

140660759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4850400.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 140660759 is about 11860.0488616194. The cubic root of 140660759 is about 520.0650300821.

The spelling of 140660759 in words is "one hundred forty million, six hundred sixty thousand, seven hundred fifty-nine".