1136521812 has 24 divisors (see below), whose sum is σ = 2681683200. Its totient is φ = 374583616.

The previous prime is 1136521801. The next prime is 1136521817. The reversal of 1136521812 is 2181256311.

It is a self number, because there is not a number n which added to its sum of digits gives 1136521812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136521817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531012 + ... + 533147.

It is an arithmetic number, because the mean of its divisors is an integer number (111736800).

Almost surely, 2^1136521812 is an apocalyptic number.

1136521812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1136521812 is an abundant number, since it is smaller than the sum of its proper divisors (1545161388).

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

1136521812 is a wasteful number, since it uses less digits than its factorization.

1136521812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064255 (or 1064253 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1136521812 is about 33712.3391653561. The cubic root of 1136521812 is about 1043.5804269583.

The spelling of 1136521812 in words is "one billion, one hundred thirty-six million, five hundred twenty-one thousand, eight hundred twelve".