1368093636 has 288 divisors, whose sum is σ = 4524269568. Its totient is φ = 338722560.

The previous prime is 1368093619. The next prime is 1368093637. The reversal of 1368093636 is 6363908631.

1368093636 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 0 + 9 + 3 + 636 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1368093591 and 1368093600.

It is not an unprimeable number, because it can be changed into a prime (1368093637) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5048181 + ... + 5048451.

Almost surely, 2^1368093636 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 1368093636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2262134784).

1368093636 is an abundant number, since it is smaller than the sum of its proper divisors (3156175932).

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

1368093636 is a wasteful number, since it uses less digits than its factorization.

1368093636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 1368093636 is about 36987.7498099033. The cubic root of 1368093636 is about 1110.1251478083.

The spelling of 1368093636 in words is "one billion, three hundred sixty-eight million, ninety-three thousand, six hundred thirty-six".