1340027136 has 216 divisors, whose sum is σ = 4649037120. Its totient is φ = 362631168.

The previous prime is 1340027123. The next prime is 1340027147. The reversal of 1340027136 is 6317200431.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 304246 + ... + 308618.

It is an arithmetic number, because the mean of its divisors is an integer number (21523320).

Almost surely, 2^1340027136 is an apocalyptic number.

1340027136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340027136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2324518560).

1340027136 is an abundant number, since it is smaller than the sum of its proper divisors (3309009984).

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

1340027136 is a wasteful number, since it uses less digits than its factorization.

1340027136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4421 (or 4404 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1340027136 is about 36606.3810830844. The cubic root of 1340027136 is about 1102.4812133717.

Adding to 1340027136 its reverse (6317200431), we get a palindrome (7657227567).

The spelling of 1340027136 in words is "one billion, three hundred forty million, twenty-seven thousand, one hundred thirty-six".