140968207 has 4 divisors (see below), whose sum is σ = 141812496. Its totient is φ = 140123920.

The previous prime is 140968193. The next prime is 140968211. The reversal of 140968207 is 702869041.

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-140968207 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 (140968237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421894 + ... + 422227.

It is an arithmetic number, because the mean of its divisors is an integer number (35453124).

Almost surely, 2^140968207 is an apocalyptic number.

140968207 is a deficient number, since it is larger than the sum of its proper divisors (844289).

140968207 is an equidigital number, since it uses as much as digits as its factorization.

140968207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844288.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 140968207 is about 11873.0032847633. The cubic root of 140968207 is about 520.4436635188.

The spelling of 140968207 in words is "one hundred forty million, nine hundred sixty-eight thousand, two hundred seven".