1343767428 has 48 divisors (see below), whose sum is σ = 3518363520. Its totient is φ = 443484000.

The previous prime is 1343767423. The next prime is 1343767463. The reversal of 1343767428 is 8247673431.

1343767428 is a `hidden beast` number, since 134 + 37 + 67 + 428 = 666.

It is not an unprimeable number, because it can be changed into a prime (1343767423) 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, 50688 + ... + 72503.

It is an arithmetic number, because the mean of its divisors is an integer number (73299240).

Almost surely, 2^1343767428 is an apocalyptic number.

1343767428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1343767428 is an abundant number, since it is smaller than the sum of its proper divisors (2174596092).

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

1343767428 is a wasteful number, since it uses less digits than its factorization.

1343767428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123305 (or 123297 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 1343767428 is about 36657.4334617141. The cubic root of 1343767428 is about 1103.5060112738.

The spelling of 1343767428 in words is "one billion, three hundred forty-three million, seven hundred sixty-seven thousand, four hundred twenty-eight".