1089460138 has 8 divisors (see below), whose sum is σ = 1759897188. Its totient is φ = 502827744.

The previous prime is 1089460121. The next prime is 1089460189. The reversal of 1089460138 is 8310649801.

It can be written as a sum of positive squares in 2 ways, for example, as 1082870649 + 6589489 = 32907^2 + 2567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1089460138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20951131 + ... + 20951182.

Almost surely, 2^1089460138 is an apocalyptic number.

1089460138 is a deficient number, since it is larger than the sum of its proper divisors (670437050).

1089460138 is a wasteful number, since it uses less digits than its factorization.

1089460138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41902328.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1089460138 is about 33006.9710515824. The cubic root of 1089460138 is about 1028.9725318126.

The spelling of 1089460138 in words is "one billion, eighty-nine million, four hundred sixty thousand, one hundred thirty-eight".