1343540140 has 12 divisors (see below), whose sum is σ = 2821434336. Its totient is φ = 537416048.

The previous prime is 1343540131. The next prime is 1343540161. The reversal of 1343540140 is 410453431.

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, 33588484 + ... + 33588523.

It is an arithmetic number, because the mean of its divisors is an integer number (235119528).

Almost surely, 2^1343540140 is an apocalyptic number.

1343540140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343540140 is an abundant number, since it is smaller than the sum of its proper divisors (1477894196).

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

1343540140 is a wasteful number, since it uses less digits than its factorization.

1343540140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67177016 (or 67177014 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1343540140 is about 36654.3331681262. Note that the first 3 decimals coincide. The cubic root of 1343540140 is about 1103.4437912271.

Adding to 1343540140 its reverse (410453431), we get a palindrome (1753993571).

The spelling of 1343540140 in words is "one billion, three hundred forty-three million, five hundred forty thousand, one hundred forty".