1131415432 has 64 divisors (see below), whose sum is σ = 2526474240. Its totient is φ = 464788800.

The previous prime is 1131415427. The next prime is 1131415451. The reversal of 1131415432 is 2345141311.

It is a junction number, because it is equal to n+sod(n) for n = 1131415397 and 1131415406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182707 + ... + 188797.

It is an arithmetic number, because the mean of its divisors is an integer number (39476160).

Almost surely, 2^1131415432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131415432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263237120).

1131415432 is an abundant number, since it is smaller than the sum of its proper divisors (1395058808).

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

1131415432 is a wasteful number, since it uses less digits than its factorization.

1131415432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6242 (or 6238 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1131415432 is about 33636.5193205242. The cubic root of 1131415432 is about 1042.0151485598.

Adding to 1131415432 its reverse (2345141311), we get a palindrome (3476556743).

The spelling of 1131415432 in words is "one billion, one hundred thirty-one million, four hundred fifteen thousand, four hundred thirty-two".