1345330021136 has 40 divisors (see below), whose sum is σ = 2699744002200. Its totient is φ = 648678410240.

The previous prime is 1345330021109. The next prime is 1345330021153. The reversal of 1345330021136 is 6311200335431.

It can be written as a sum of positive squares in 4 ways, for example, as 85413569536 + 1259916451600 = 292256^2 + 1122460^2 .

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 7 ways as a sum of consecutive naturals, for example, 1384841 + ... + 2146728.

It is an arithmetic number, because the mean of its divisors is an integer number (67493600055).

Almost surely, 2^{1345330021136} is an apocalyptic number.

1345330021136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1345330021136 is an abundant number, since it is smaller than the sum of its proper divisors (1354413981064).

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

1345330021136 is a wasteful number, since it uses less digits than its factorization.

1345330021136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3532427 (or 3532421 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 1345330021136 its reverse (6311200335431), we get a palindrome (7656530356567).

The spelling of 1345330021136 in words is "one trillion, three hundred forty-five billion, three hundred thirty million, twenty-one thousand, one hundred thirty-six".