1089187342 has 8 divisors (see below), whose sum is σ = 1634516136. Its totient is φ = 544348632.

The previous prime is 1089187327. The next prime is 1089187361. The reversal of 1089187342 is 2437819801.

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

It is a congruent number.

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, 116913 + ... + 125884.

It is an arithmetic number, because the mean of its divisors is an integer number (204314517).

Almost surely, 2^1089187342 is an apocalyptic number.

1089187342 is a deficient number, since it is larger than the sum of its proper divisors (545328794).

1089187342 is a wasteful number, since it uses less digits than its factorization.

1089187342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245042.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 1089187342 is about 33002.8383930837. The cubic root of 1089187342 is about 1028.8866412530.

The spelling of 1089187342 in words is "one billion, eighty-nine million, one hundred eighty-seven thousand, three hundred forty-two".