1346785980 has 48 divisors (see below), whose sum is σ = 3804391584. Its totient is φ = 355962880.

The previous prime is 1346785967. The next prime is 1346785981. The reversal of 1346785980 is 895876431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346785981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92541 + ... + 106100.

It is an arithmetic number, because the mean of its divisors is an integer number (79258158).

Almost surely, 2^1346785980 is an apocalyptic number.

1346785980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346785980 is an abundant number, since it is smaller than the sum of its proper divisors (2457605604).

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

1346785980 is a wasteful number, since it uses less digits than its factorization.

1346785980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198766 (or 198764 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 1346785980 is about 36698.5828064246. The cubic root of 1346785980 is about 1104.3316747883.

The spelling of 1346785980 in words is "one billion, three hundred forty-six million, seven hundred eighty-five thousand, nine hundred eighty".