1136763648 has 108 divisors (see below), whose sum is σ = 3287328408. Its totient is φ = 377794560.

The previous prime is 1136763647. The next prime is 1136763653. The reversal of 1136763648 is 8463676311.

1136763648 is a `hidden beast` number, since 1 + 1 + 3 + 6 + 7 + 636 + 4 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (1136763643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1199911 + ... + 1200857.

It is an arithmetic number, because the mean of its divisors is an integer number (30438226).

Almost surely, 2^1136763648 is an apocalyptic number.

1136763648 is a gapful number since it is divisible by the number (18) 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 1136763648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1643664204).

1136763648 is an abundant number, since it is smaller than the sum of its proper divisors (2150564760).

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

1136763648 is an equidigital number, since it uses as much as digits as its factorization.

1136763648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490 (or 1473 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 1136763648 is about 33715.9257325081. The cubic root of 1136763648 is about 1043.6544414984.

The spelling of 1136763648 in words is "one billion, one hundred thirty-six million, seven hundred sixty-three thousand, six hundred forty-eight".