1136091648 has 160 divisors (see below), whose sum is σ = 3145798656. Its totient is φ = 364105728.

The previous prime is 1136091637. The next prime is 1136091667. The reversal of 1136091648 is 8461906311.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6802861 + ... + 6803027.

Almost surely, 2^1136091648 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 1136091648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572899328).

1136091648 is an abundant number, since it is smaller than the sum of its proper divisors (2009707008).

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

1136091648 is a wasteful number, since it uses less digits than its factorization.

1136091648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1136091648 is about 33705.9586423528. The cubic root of 1136091648 is about 1043.4487481895.

Adding to 1136091648 its reverse (8461906311), we get a palindrome (9597997959).

The spelling of 1136091648 in words is "one billion, one hundred thirty-six million, ninety-one thousand, six hundred forty-eight".