1358271228 has 24 divisors (see below), whose sum is σ = 3170743632. Its totient is φ = 452550784.

The previous prime is 1358271209. The next prime is 1358271269. The reversal of 1358271228 is 8221728531.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2926 + ... + 52202.

It is an arithmetic number, because the mean of its divisors is an integer number (132114318).

Almost surely, 2^1358271228 is an apocalyptic number.

It is an amenable number.

1358271228 is an abundant number, since it is smaller than the sum of its proper divisors (1812472404).

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

1358271228 is a wasteful number, since it uses less digits than its factorization.

1358271228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51581 (or 51579 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 1358271228 is about 36854.7314194528. The cubic root of 1358271228 is about 1107.4620010164.

Adding to 1358271228 its reverse (8221728531), we get a palindrome (9579999759).

The spelling of 1358271228 in words is "one billion, three hundred fifty-eight million, two hundred seventy-one thousand, two hundred twenty-eight".