1343122540 has 24 divisors (see below), whose sum is σ = 2969008560. Its totient is φ = 508972608.

The previous prime is 1343122537. The next prime is 1343122579. The reversal of 1343122540 is 452213431.

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 7 ways as a sum of consecutive naturals, for example, 1766887 + ... + 1767646.

It is an arithmetic number, because the mean of its divisors is an integer number (123708690).

Almost surely, 2^1343122540 is an apocalyptic number.

1343122540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343122540 is an abundant number, since it is smaller than the sum of its proper divisors (1625886020).

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

1343122540 is a wasteful number, since it uses less digits than its factorization.

1343122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3534561 (or 3534559 counting only the distinct ones).

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

The square root of 1343122540 is about 36648.6362638503. The cubic root of 1343122540 is about 1103.3294550135.

Adding to 1343122540 its reverse (452213431), we get a palindrome (1795335971).

The spelling of 1343122540 in words is "one billion, three hundred forty-three million, one hundred twenty-two thousand, five hundred forty".