1345934680 has 16 divisors (see below), whose sum is σ = 3028353120. Its totient is φ = 538373856.

The previous prime is 1345934641. The next prime is 1345934713. The reversal of 1345934680 is 864395431.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 16824144 + ... + 16824223.

It is an arithmetic number, because the mean of its divisors is an integer number (189272070).

Almost surely, 2^1345934680 is an apocalyptic number.

1345934680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345934680 is an abundant number, since it is smaller than the sum of its proper divisors (1682418440).

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

1345934680 is a wasteful number, since it uses less digits than its factorization.

1345934680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33648378 (or 33648374 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 1345934680 is about 36686.9824324651. The cubic root of 1345934680 is about 1104.0989439956.

The spelling of 1345934680 in words is "one billion, three hundred forty-five million, nine hundred thirty-four thousand, six hundred eighty".