1323052136 has 48 divisors (see below), whose sum is σ = 2892550500. Its totient is φ = 565684224.

The previous prime is 1323052117. The next prime is 1323052151. The reversal of 1323052136 is 6312503231.

It can be written as a sum of positive squares in 2 ways, for example, as 1190940100 + 132112036 = 34510^2 + 11494^2 .

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, 172250 + ... + 179766.

Almost surely, 2^1323052136 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 1323052136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1446275250).

1323052136 is an abundant number, since it is smaller than the sum of its proper divisors (1569498364).

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

1323052136 is a wasteful number, since it uses less digits than its factorization.

1323052136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986 (or 7975 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1323052136 is about 36373.7836360201. The cubic root of 1323052136 is about 1097.8061331926.

Adding to 1323052136 its reverse (6312503231), we get a palindrome (7635555367).

The spelling of 1323052136 in words is "one billion, three hundred twenty-three million, fifty-two thousand, one hundred thirty-six".