1089131632 has 20 divisors (see below), whose sum is σ = 2141690056. Its totient is φ = 536437440.

The previous prime is 1089131573. The next prime is 1089131633. The reversal of 1089131632 is 2361319801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089131633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506919 + ... + 509062.

Almost surely, 2^1089131632 is an apocalyptic number.

It is an amenable number.

1089131632 is a deficient number, since it is larger than the sum of its proper divisors (1052558424).

1089131632 is a wasteful number, since it uses less digits than its factorization.

1089131632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016056 (or 1016050 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 1089131632 is about 33001.9943639775. The cubic root of 1089131632 is about 1028.8690990452.

The spelling of 1089131632 in words is "one billion, eighty-nine million, one hundred thirty-one thousand, six hundred thirty-two".