140026207 has 4 divisors (see below), whose sum is σ = 143005536. Its totient is φ = 137046880.

The previous prime is 140026169. The next prime is 140026213. The reversal of 140026207 is 702620041.

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 140026207 - 2⁷ = 140026079 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 (140026247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1489594 + ... + 1489687.

It is an arithmetic number, because the mean of its divisors is an integer number (35751384).

Almost surely, 2^140026207 is an apocalyptic number.

140026207 is a deficient number, since it is larger than the sum of its proper divisors (2979329).

140026207 is an equidigital number, since it uses as much as digits as its factorization.

140026207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2979328.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140026207 is about 11833.2669622552. The cubic root of 140026207 is about 519.2818080905.

Adding to 140026207 its reverse (702620041), we get a palindrome (842646248).

The spelling of 140026207 in words is "one hundred forty million, twenty-six thousand, two hundred seven".