1346564340 has 72 divisors (see below), whose sum is σ = 4455910368. Its totient is φ = 326439360.

The previous prime is 1346564293. The next prime is 1346564377. The reversal of 1346564340 is 434656431.

1346564340 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 5 + 643 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1346564295 and 1346564304.

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 23 ways as a sum of consecutive naturals, for example, 338062 + ... + 342021.

It is an arithmetic number, because the mean of its divisors is an integer number (61887644).

Almost surely, 2^1346564340 is an apocalyptic number.

1346564340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346564340 is an abundant number, since it is smaller than the sum of its proper divisors (3109346028).

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

1346564340 is a wasteful number, since it uses less digits than its factorization.

1346564340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680109 (or 680104 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 1346564340 is about 36695.5629470376. The cubic root of 1346564340 is about 1104.2710916657.

The spelling of 1346564340 in words is "one billion, three hundred forty-six million, five hundred sixty-four thousand, three hundred forty".