1347238656 has 126 divisors (see below), whose sum is σ = 4032536060. Its totient is φ = 449017344.

The previous prime is 1347238637. The next prime is 1347238679. The reversal of 1347238656 is 6568327431.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 183015 + ... + 190233.

Almost surely, 2^1347238656 is an apocalyptic number.

1347238656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1347238656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2016268030).

1347238656 is an abundant number, since it is smaller than the sum of its proper divisors (2685297404).

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

1347238656 is an frugal number, since it uses more digits than its factorization.

1347238656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253 (or 7224 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 1347238656 is about 36704.7497743821. The cubic root of 1347238656 is about 1104.4553886905.

The spelling of 1347238656 in words is "one billion, three hundred forty-seven million, two hundred thirty-eight thousand, six hundred fifty-six".