1343071788 has 12 divisors (see below), whose sum is σ = 3133834200. Its totient is φ = 447690592.

The previous prime is 1343071787. The next prime is 1343071819. The reversal of 1343071788 is 8871703431.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1343071787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55961313 + ... + 55961336.

It is an arithmetic number, because the mean of its divisors is an integer number (261152850).

Almost surely, 2^1343071788 is an apocalyptic number.

It is an amenable number.

1343071788 is an abundant number, since it is smaller than the sum of its proper divisors (1790762412).

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

1343071788 is a wasteful number, since it uses less digits than its factorization.

1343071788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111922656 (or 111922654 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 1343071788 is about 36647.9438440958. The cubic root of 1343071788 is about 1103.3155578248.

The spelling of 1343071788 in words is "one billion, three hundred forty-three million, seventy-one thousand, seven hundred eighty-eight".