1113636432 has 40 divisors (see below), whose sum is σ = 2903301280. Its totient is φ = 367804800.

The previous prime is 1113636431. The next prime is 1113636449. The reversal of 1113636432 is 2346363111.

It is a super-2 number, since 2×1113636432² = 2480372205355381248, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1113636432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113636431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101194 + ... + 111657.

It is an arithmetic number, because the mean of its divisors is an integer number (72582532).

Almost surely, 2^1113636432 is an apocalyptic number.

1113636432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113636432 is an abundant number, since it is smaller than the sum of its proper divisors (1789664848).

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

1113636432 is a wasteful number, since it uses less digits than its factorization.

1113636432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212971 (or 212965 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 1113636432 is about 33371.1916478870. The cubic root of 1113636432 is about 1036.5282508486.

Adding to 1113636432 its reverse (2346363111), we get a palindrome (3459999543).

The spelling of 1113636432 in words is "one billion, one hundred thirteen million, six hundred thirty-six thousand, four hundred thirty-two".