140226725 has 6 divisors (see below), whose sum is σ = 173881170. Its totient is φ = 112181360.

The previous prime is 140226719. The next prime is 140226763. The reversal of 140226725 is 527622041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2328676 + 137898049 = 1526^2 + 11743^2 .

It is not a de Polignac number, because 140226725 - 2¹⁸ = 139964581 is a prime.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2804510 + ... + 2804559.

It is an arithmetic number, because the mean of its divisors is an integer number (28980195).

Almost surely, 2^140226725 is an apocalyptic number.

It is an amenable number.

140226725 is a deficient number, since it is larger than the sum of its proper divisors (33654445).

140226725 is an equidigital number, since it uses as much as digits as its factorization.

140226725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5609079 (or 5609074 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 140226725 is about 11841.7365702839. The cubic root of 140226725 is about 519.5295609665.

Adding to 140226725 its reverse (527622041), we get a palindrome (667848766).

The spelling of 140226725 in words is "one hundred forty million, two hundred twenty-six thousand, seven hundred twenty-five".