140340107 has 4 divisors (see below), whose sum is σ = 140469600. Its totient is φ = 140210616.

The previous prime is 140340071. The next prime is 140340113. The reversal of 140340107 is 701043041.

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 140340107 - 2⁸ = 140339851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140340157) 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, 63107 + ... + 65292.

It is an arithmetic number, because the mean of its divisors is an integer number (35117400).

Almost surely, 2^140340107 is an apocalyptic number.

140340107 is a deficient number, since it is larger than the sum of its proper divisors (129493).

140340107 is a wasteful number, since it uses less digits than its factorization.

140340107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129492.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 140340107 is about 11846.5229920006. The cubic root of 140340107 is about 519.6695471962.

Adding to 140340107 its reverse (701043041), we get a palindrome (841383148).

The spelling of 140340107 in words is "one hundred forty million, three hundred forty thousand, one hundred seven".