1336211428 has 18 divisors (see below), whose sum is σ = 2345003906. Its totient is φ = 666215424.

The previous prime is 1336211419. The next prime is 1336211431. The reversal of 1336211428 is 8241126331.

It can be written as a sum of positive squares in 3 ways, for example, as 214095424 + 1122116004 = 14632^2 + 33498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1336211428.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 805576 + ... + 807232.

Almost surely, 2^1336211428 is an apocalyptic number.

It is an amenable number.

1336211428 is a deficient number, since it is larger than the sum of its proper divisors (1008792478).

1336211428 is an equidigital number, since it uses as much as digits as its factorization.

1336211428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559 (or 2108 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1336211428 is about 36554.2258569375. The cubic root of 1336211428 is about 1101.4337854293.

Adding to 1336211428 its reverse (8241126331), we get a palindrome (9577337759).

The spelling of 1336211428 in words is "one billion, three hundred thirty-six million, two hundred eleven thousand, four hundred twenty-eight".