1343793780 has 96 divisors (see below), whose sum is σ = 4777946880. Its totient is φ = 307152000.

The previous prime is 1343793751. The next prime is 1343793799. The reversal of 1343793780 is 873973431.

It is a super-3 number, since 3×1343793780³ (a number of 28 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173971 + ... + 181530.

It is an arithmetic number, because the mean of its divisors is an integer number (49770280).

Almost surely, 2^1343793780 is an apocalyptic number.

1343793780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343793780 is an abundant number, since it is smaller than the sum of its proper divisors (3434153100).

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

1343793780 is a wasteful number, since it uses less digits than its factorization.

1343793780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355526 (or 355518 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1343793780 is about 36657.7928959178. The cubic root of 1343793780 is about 1103.5132246749.

The spelling of 1343793780 in words is "one billion, three hundred forty-three million, seven hundred ninety-three thousand, seven hundred eighty".