1358883968 has 64 divisors (see below), whose sum is σ = 2950819200. Its totient is φ = 619557888.

The previous prime is 1358883959. The next prime is 1358883983. The reversal of 1358883968 is 8693888531.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133193 + ... + 143031.

It is an arithmetic number, because the mean of its divisors is an integer number (46106550).

Almost surely, 2^1358883968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1358883968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475409600).

1358883968 is an abundant number, since it is smaller than the sum of its proper divisors (1591935232).

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

1358883968 is an equidigital number, since it uses as much as digits as its factorization.

1358883968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949 (or 9937 counting only the distinct ones).

The product of its digits is 9953280, while the sum is 59.

The square root of 1358883968 is about 36863.0433903659. The cubic root of 1358883968 is about 1107.6285078322.

The spelling of 1358883968 in words is "one billion, three hundred fifty-eight million, eight hundred eighty-three thousand, nine hundred sixty-eight".