140226655 has 8 divisors (see below), whose sum is σ = 172185552. Its totient is φ = 109572288.

The previous prime is 140226643. The next prime is 140226677. The reversal of 140226655 is 556622041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140226655 - 2⁹ = 140226143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325894 + ... + 326323.

It is an arithmetic number, because the mean of its divisors is an integer number (21523194).

Almost surely, 2^140226655 is an apocalyptic number.

140226655 is a deficient number, since it is larger than the sum of its proper divisors (31958897).

140226655 is an equidigital number, since it uses as much as digits as its factorization.

140226655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652265.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 140226655 is about 11841.7336146360. The cubic root of 140226655 is about 519.5294745182.

Adding to 140226655 its reverse (556622041), we get a palindrome (696848696).

The spelling of 140226655 in words is "one hundred forty million, two hundred twenty-six thousand, six hundred fifty-five".