1343163540 has 96 divisors (see below), whose sum is σ = 4000316544. Its totient is φ = 335564800.

The previous prime is 1343163527. The next prime is 1343163551. The reversal of 1343163540 is 453613431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1343163498 and 1343163507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228640 + ... + 234440.

It is an arithmetic number, because the mean of its divisors is an integer number (41669964).

Almost surely, 2^1343163540 is an apocalyptic number.

1343163540 is a gapful number since it is divisible by the number (10) 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 1343163540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2000158272).

1343163540 is an abundant number, since it is smaller than the sum of its proper divisors (2657153004).

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

1343163540 is a wasteful number, since it uses less digits than its factorization.

1343163540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057 (or 6055 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 1343163540 is about 36649.1956255523. The cubic root of 1343163540 is about 1103.3406816008.

Adding to 1343163540 its reverse (453613431), we get a palindrome (1796776971).

The spelling of 1343163540 in words is "one billion, three hundred forty-three million, one hundred sixty-three thousand, five hundred forty".