140317207 has 4 divisors (see below), whose sum is σ = 140371000. Its totient is φ = 140263416.

The previous prime is 140317187. The next prime is 140317217. The reversal of 140317207 is 702713041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 702713041 = 8117 ⋅86573.

It is a cyclic number.

It is not a de Polignac number, because 140317207 - 2¹⁵ = 140284439 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 (140317217) 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, 22773 + ... + 28270.

It is an arithmetic number, because the mean of its divisors is an integer number (35092750).

Almost surely, 2^140317207 is an apocalyptic number.

140317207 is a deficient number, since it is larger than the sum of its proper divisors (53793).

140317207 is an equidigital number, since it uses as much as digits as its factorization.

140317207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53792.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 140317207 is about 11845.5564242462. The cubic root of 140317207 is about 519.6412799621.

The spelling of 140317207 in words is "one hundred forty million, three hundred seventeen thousand, two hundred seven".