6523140226 has 8 divisors (see below), whose sum is σ = 9785225340. Its totient is φ = 3261398448.

The previous prime is 6523140209. The next prime is 6523140251. The reversal of 6523140226 is 6220413256.

It can be written as a sum of positive squares in 2 ways, for example, as 6504261201 + 18879025 = 80649^2 + 4345^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31441 + ... + 118468.

Almost surely, 2^6523140226 is an apocalyptic number.

6523140226 is a deficient number, since it is larger than the sum of its proper divisors (3262085114).

6523140226 is a wasteful number, since it uses less digits than its factorization.

6523140226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171668.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 6523140226 is about 80765.9595745633. The cubic root of 6523140226 is about 1868.4676004389.

The spelling of 6523140226 in words is "six billion, five hundred twenty-three million, one hundred forty thousand, two hundred twenty-six".