1318657227 has 16 divisors (see below), whose sum is σ = 1784788992. Its totient is φ = 865840640.

The previous prime is 1318657213. The next prime is 1318657237. The reversal of 1318657227 is 7227568131.

1318657227 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1318657227 - 2⁶ = 1318657163 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1318657237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256678 + ... + 261764.

It is an arithmetic number, because the mean of its divisors is an integer number (111549312).

Almost surely, 2^1318657227 is an apocalyptic number.

1318657227 is a deficient number, since it is larger than the sum of its proper divisors (466131765).

1318657227 is a wasteful number, since it uses less digits than its factorization.

1318657227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6378.

The product of its digits is 141120, while the sum is 42.

The square root of 1318657227 is about 36313.3202420269. The cubic root of 1318657227 is about 1096.5892221600.

The spelling of 1318657227 in words is "one billion, three hundred eighteen million, six hundred fifty-seven thousand, two hundred twenty-seven".