140226626 has 4 divisors (see below), whose sum is σ = 210339942. Its totient is φ = 70113312.

The previous prime is 140226563. The next prime is 140226643. The reversal of 140226626 is 626622041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 626622041 = 163 ⋅3844307.

It can be written as a sum of positive squares in only one way, i.e., 139122025 + 1104601 = 11795^2 + 1051^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 35056655 + ... + 35056658.

Almost surely, 2^140226626 is an apocalyptic number.

140226626 is a deficient number, since it is larger than the sum of its proper divisors (70113316).

140226626 is an equidigital number, since it uses as much as digits as its factorization.

140226626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70113315.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 140226626 is about 11841.7323901531. The cubic root of 140226626 is about 519.5294387039.

Adding to 140226626 its reverse (626622041), we get a palindrome (766848667).

The spelling of 140226626 in words is "one hundred forty million, two hundred twenty-six thousand, six hundred twenty-six".