65140226 has 32 divisors (see below), whose sum is σ = 107448768. Its totient is φ = 29493760.

The previous prime is 65140223. The next prime is 65140241. The reversal of 65140226 is 62204156.

65140226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 65140195 and 65140204.

It is not an unprimeable number, because it can be changed into a prime (65140223) 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 15 ways as a sum of consecutive naturals, for example, 115421 + ... + 115983.

It is an arithmetic number, because the mean of its divisors is an integer number (3357774).

Almost surely, 2^65140226 is an apocalyptic number.

65140226 is a deficient number, since it is larger than the sum of its proper divisors (42308542).

65140226 is a wasteful number, since it uses less digits than its factorization.

65140226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 65140226 is about 8070.9495104356. The cubic root of 65140226 is about 402.3615016718.

The spelling of 65140226 in words is "sixty-five million, one hundred forty thousand, two hundred twenty-six".