1100136432 has 80 divisors (see below), whose sum is σ = 2947525632. Its totient is φ = 353210880.

The previous prime is 1100136421. The next prime is 1100136439. The reversal of 1100136432 is 2346310011.

It is a junction number, because it is equal to n+sod(n) for n = 1100136399 and 1100136408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100136439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336148 + ... + 339404.

Almost surely, 2^1100136432 is an apocalyptic number.

1100136432 is a gapful number since it is divisible by the number (12) 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 1100136432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473762816).

1100136432 is an abundant number, since it is smaller than the sum of its proper divisors (1847389200).

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

1100136432 is a wasteful number, since it uses less digits than its factorization.

1100136432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3520 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1100136432 is about 33168.3046295707. The cubic root of 1100136432 is about 1032.3227912802.

Adding to 1100136432 its reverse (2346310011), we get a palindrome (3446446443).

The spelling of 1100136432 in words is "one billion, one hundred million, one hundred thirty-six thousand, four hundred thirty-two".