140226620 has 24 divisors (see below), whose sum is σ = 297788400. Its totient is φ = 55459712.

The previous prime is 140226563. The next prime is 140226643. The reversal of 140226620 is 26622041.

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 7 ways as a sum of consecutive naturals, for example, 37610 + ... + 41169.

It is an arithmetic number, because the mean of its divisors is an integer number (12407850).

Almost surely, 2^140226620 is an apocalyptic number.

140226620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140226620 is an abundant number, since it is smaller than the sum of its proper divisors (157561780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140226620 is a wasteful number, since it uses less digits than its factorization.

140226620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78877 (or 78875 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 140226620 is about 11841.7321368117. The cubic root of 140226620 is about 519.5294312941.

Adding to 140226620 its reverse (26622041), we get a palindrome (166848661).

The spelling of 140226620 in words is "one hundred forty million, two hundred twenty-six thousand, six hundred twenty".