1136481840 has 280 divisors, whose sum is σ = 4269258000. Its totient is φ = 279562752.

The previous prime is 1136481833. The next prime is 1136481859. The reversal of 1136481840 is 481846311.

It is a happy number.

1136481840 is a `hidden beast` number, since 1 + 1 + 3 + 648 + 1 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1136481795 and 1136481804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 757411 + ... + 758909.

It is an arithmetic number, because the mean of its divisors is an integer number (15247350).

Almost surely, 2^1136481840 is an apocalyptic number.

1136481840 is a gapful number since it is divisible by the number (10) 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 1136481840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2134629000).

1136481840 is an abundant number, since it is smaller than the sum of its proper divisors (3132776160).

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

1136481840 is a wasteful number, since it uses less digits than its factorization.

1136481840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1522 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 1136481840 is about 33711.7463208301. The cubic root of 1136481840 is about 1043.5681924121.

The spelling of 1136481840 in words is "one billion, one hundred thirty-six million, four hundred eighty-one thousand, eight hundred forty".