1089537000 has 64 divisors (see below), whose sum is σ = 3399364800. Its totient is φ = 290542400.

The previous prime is 1089536999. The next prime is 1089537019. The reversal of 1089537000 is 7359801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178590 + ... + 184589.

It is an arithmetic number, because the mean of its divisors is an integer number (53115075).

Almost surely, 2^1089537000 is an apocalyptic number.

1089537000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089537000 is an abundant number, since it is smaller than the sum of its proper divisors (2309827800).

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

1089537000 is a wasteful number, since it uses less digits than its factorization.

1089537000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363203 (or 363189 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1089537000 is about 33008.1353608470. The cubic root of 1089537000 is about 1028.9967294325.

It can be divided in two parts, 10895 and 37000, that added together give a triangular number (47895 = T₃₀₉).

The spelling of 1089537000 in words is "one billion, eighty-nine million, five hundred thirty-seven thousand".