1335388964 has 72 divisors (see below), whose sum is σ = 3099894840. Its totient is φ = 497193984.

The previous prime is 1335388963. The next prime is 1335388969. The reversal of 1335388964 is 4698835331.

It can be written as a sum of positive squares in 4 ways, for example, as 384160000 + 951228964 = 19600^2 + 30842^2 .

It is not an unprimeable number, because it can be changed into a prime (1335388963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27902 + ... + 58730.

It is an arithmetic number, because the mean of its divisors is an integer number (43054095).

Almost surely, 2^1335388964 is an apocalyptic number.

1335388964 is a gapful number since it is divisible by the number (14) 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 1335388964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549947420).

1335388964 is an abundant number, since it is smaller than the sum of its proper divisors (1764505876).

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

1335388964 is a wasteful number, since it uses less digits than its factorization.

1335388964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30877 (or 30868 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 1335388964 is about 36542.9742084576. The cubic root of 1335388964 is about 1101.2077544421.

The spelling of 1335388964 in words is "one billion, three hundred thirty-five million, three hundred eighty-eight thousand, nine hundred sixty-four".