1089305432 has 8 divisors (see below), whose sum is σ = 2042447700. Its totient is φ = 544652712.

The previous prime is 1089305411. The next prime is 1089305491. The reversal of 1089305432 is 2345039801.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1089305392 and 1089305401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68081582 + ... + 68081597.

Almost surely, 2^1089305432 is an apocalyptic number.

It is an amenable number.

1089305432 is a deficient number, since it is larger than the sum of its proper divisors (953142268).

1089305432 is a wasteful number, since it uses less digits than its factorization.

1089305432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136163185 (or 136163181 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1089305432 is about 33004.6274331343. The cubic root of 1089305432 is about 1028.9238239696.

The spelling of 1089305432 in words is "one billion, eighty-nine million, three hundred five thousand, four hundred thirty-two".