1345715856 has 75 divisors (see below), whose sum is σ = 3898718131. Its totient is φ = 448131744.

The previous prime is 1345715849. The next prime is 1345715857. The reversal of 1345715856 is 6585175431.

The square root of 1345715856 is 36684.

It is a perfect power (a square), and thus also a powerful number.

1345715856 is a `hidden beast` number, since 13 + 4 + 57 + 1 + 585 + 6 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1345715857) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1320115 + ... + 1321133.

Almost surely, 2^1345715856 is an apocalyptic number.

1345715856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1345715856 is the 36684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345715856

1345715856 is an abundant number, since it is smaller than the sum of its proper divisors (2553002275).

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

1345715856 is an frugal number, since it uses more digits than its factorization.

1345715856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2058 (or 1024 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The cubic root of 1345715856 is about 1104.0391054201.

The spelling of 1345715856 in words is "one billion, three hundred forty-five million, seven hundred fifteen thousand, eight hundred fifty-six".