1316727228 has 24 divisors (see below), whose sum is σ = 3076092880. Its totient is φ = 438376320.

The previous prime is 1316727221. The next prime is 1316727229. The reversal of 1316727228 is 8227276131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316727221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56233 + ... + 76128.

Almost surely, 2^1316727228 is an apocalyptic number.

It is an amenable number.

1316727228 is an abundant number, since it is smaller than the sum of its proper divisors (1759365652).

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

1316727228 is a wasteful number, since it uses less digits than its factorization.

1316727228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133197 (or 133195 counting only the distinct ones).

The product of its digits is 56448, while the sum is 39.

The square root of 1316727228 is about 36286.7362544498. The cubic root of 1316727228 is about 1096.0539682076.

The spelling of 1316727228 in words is "one billion, three hundred sixteen million, seven hundred twenty-seven thousand, two hundred twenty-eight".