1343561996 has 48 divisors (see below), whose sum is σ = 2794659840. Its totient is φ = 552982080.

The previous prime is 1343561993. The next prime is 1343562053. The reversal of 1343561996 is 6991653431.

It is a self number, because there is not a number n which added to its sum of digits gives 1343561996.

It is not an unprimeable number, because it can be changed into a prime (1343561993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150761 + ... + 159423.

It is an arithmetic number, because the mean of its divisors is an integer number (58222080).

Almost surely, 2^1343561996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1343561996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397329920).

1343561996 is an abundant number, since it is smaller than the sum of its proper divisors (1451097844).

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

1343561996 is a wasteful number, since it uses less digits than its factorization.

1343561996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8892 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The square root of 1343561996 is about 36654.6313035611. The cubic root of 1343561996 is about 1103.4497746078.

The spelling of 1343561996 in words is "one billion, three hundred forty-three million, five hundred sixty-one thousand, nine hundred ninety-six".