1133811432 has 80 divisors (see below), whose sum is σ = 3420033540. Its totient is φ = 348862464.

The previous prime is 1133811421. The next prime is 1133811449. The reversal of 1133811432 is 2341183311.

It can be written as a sum of positive squares in 2 ways, for example, as 995654916 + 138156516 = 31554^2 + 11754^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 1133811396 and 1133811405.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 58873 + ... + 75720.

Almost surely, 2^1133811432 is an apocalyptic number.

1133811432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1133811432 is an abundant number, since it is smaller than the sum of its proper divisors (2286222108).

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

1133811432 is a wasteful number, since it uses less digits than its factorization.

1133811432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134624 (or 134611 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 1133811432 is about 33672.1165357926. The cubic root of 1133811432 is about 1042.7501889044.

Adding to 1133811432 its reverse (2341183311), we get a palindrome (3474994743).

The spelling of 1133811432 in words is "one billion, one hundred thirty-three million, eight hundred eleven thousand, four hundred thirty-two".