1344335136 has 72 divisors (see below), whose sum is σ = 3654980784. Its totient is φ = 432633600.

The previous prime is 1344335093. The next prime is 1344335143. The reversal of 1344335136 is 6315334431.

It is a junction number, because it is equal to n+sod(n) for n = 1344335097 and 1344335106.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72411 + ... + 89061.

It is an arithmetic number, because the mean of its divisors is an integer number (50763622).

Almost surely, 2^1344335136 is an apocalyptic number.

1344335136 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 1344335136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1827490392).

1344335136 is an abundant number, since it is smaller than the sum of its proper divisors (2310645648).

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

1344335136 is a wasteful number, since it uses less digits than its factorization.

1344335136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722 (or 16685 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 1344335136 is about 36665.1760666712. The cubic root of 1344335136 is about 1103.6613905892.

Adding to 1344335136 its reverse (6315334431), we get a palindrome (7659669567).

The spelling of 1344335136 in words is "one billion, three hundred forty-four million, three hundred thirty-five thousand, one hundred thirty-six".