1326136436 has 24 divisors (see below), whose sum is σ = 2342337480. Its totient is φ = 656916992.

The previous prime is 1326136417. The next prime is 1326136439. The reversal of 1326136436 is 6346316231.

It can be written as a sum of positive squares in 4 ways, for example, as 739600 + 1325396836 = 860^2 + 36406^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1326136396 and 1326136405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326136439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309686 + ... + 313938.

It is an arithmetic number, because the mean of its divisors is an integer number (97597395).

Almost surely, 2^1326136436 is an apocalyptic number.

It is an amenable number.

1326136436 is a deficient number, since it is larger than the sum of its proper divisors (1016201044).

1326136436 is a wasteful number, since it uses less digits than its factorization.

1326136436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4963 (or 4961 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 1326136436 is about 36416.1562496648. The cubic root of 1326136436 is about 1098.6585399488.

The spelling of 1326136436 in words is "one billion, three hundred twenty-six million, one hundred thirty-six thousand, four hundred thirty-six".