1340113228 has 12 divisors (see below), whose sum is σ = 2371549320. Its totient is φ = 662527712.

The previous prime is 1340113211. The next prime is 1340113231. The reversal of 1340113228 is 8223110431.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1881826 + ... + 1882537.

It is an arithmetic number, because the mean of its divisors is an integer number (197629110).

Almost surely, 2^1340113228 is an apocalyptic number.

It is an amenable number.

1340113228 is a deficient number, since it is larger than the sum of its proper divisors (1031436092).

1340113228 is a wasteful number, since it uses less digits than its factorization.

1340113228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3764456 (or 3764454 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1340113228 is about 36607.5569793998. The cubic root of 1340113228 is about 1102.5048230379.

Adding to 1340113228 its reverse (8223110431), we get a palindrome (9563223659).

The spelling of 1340113228 in words is "one billion, three hundred forty million, one hundred thirteen thousand, two hundred twenty-eight".