140260717 has 4 divisors (see below), whose sum is σ = 147642880. Its totient is φ = 132878556.

The previous prime is 140260697. The next prime is 140260721. The reversal of 140260717 is 717062041.

140260717 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140260717 - 2²⁷ = 6042989 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 (140260117) 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, 3691053 + ... + 3691090.

It is an arithmetic number, because the mean of its divisors is an integer number (36910720).

Almost surely, 2^140260717 is an apocalyptic number.

It is an amenable number.

140260717 is a deficient number, since it is larger than the sum of its proper divisors (7382163).

140260717 is an equidigital number, since it uses as much as digits as its factorization.

140260717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382162.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 140260717 is about 11843.1717457782. The cubic root of 140260717 is about 519.5715368501.

The spelling of 140260717 in words is "one hundred forty million, two hundred sixty thousand, seven hundred seventeen".