1089149175 has 18 divisors (see below), whose sum is σ = 1950787592. Its totient is φ = 580879440.

The previous prime is 1089149167. The next prime is 1089149177. The reversal of 1089149175 is 5719419801.

It is a happy number.

1089149175 is a `hidden beast` number, since 1 + 0 + 8 + 91 + 491 + 75 = 666.

It is not a de Polignac number, because 1089149175 - 2³ = 1089149167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1089149175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089149177) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2420107 + ... + 2420556.

Almost surely, 2^1089149175 is an apocalyptic number.

1089149175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1089149175 is a deficient number, since it is larger than the sum of its proper divisors (861638417).

1089149175 is a wasteful number, since it uses less digits than its factorization.

1089149175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840679 (or 4840671 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The square root of 1089149175 is about 33002.2601498746. The cubic root of 1089149175 is about 1028.8746231261.

The spelling of 1089149175 in words is "one billion, eighty-nine million, one hundred forty-nine thousand, one hundred seventy-five".