1136503648 has 144 divisors (see below), whose sum is σ = 2724793344. Its totient is φ = 464728320.

The previous prime is 1136503633. The next prime is 1136503673. The reversal of 1136503648 is 8463056311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5006511 + ... + 5006737.

It is an arithmetic number, because the mean of its divisors is an integer number (18922176).

Almost surely, 2^1136503648 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 1136503648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1362396672).

1136503648 is an abundant number, since it is smaller than the sum of its proper divisors (1588289696).

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

1136503648 is a wasteful number, since it uses less digits than its factorization.

1136503648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 1136503648 is about 33712.0697673697. The cubic root of 1136503648 is about 1043.5748673947.

Adding to 1136503648 its reverse (8463056311), we get a palindrome (9599559959).

The spelling of 1136503648 in words is "one billion, one hundred thirty-six million, five hundred three thousand, six hundred forty-eight".