1089684134 has 72 divisors (see below), whose sum is σ = 2101900080. Its totient is φ = 414722880.

The previous prime is 1089684119. The next prime is 1089684137. The reversal of 1089684134 is 4314869801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089684137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4758332 + ... + 4758560.

Almost surely, 2^1089684134 is an apocalyptic number.

1089684134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1089684134 is a deficient number, since it is larger than the sum of its proper divisors (1012215946).

1089684134 is a wasteful number, since it uses less digits than its factorization.

1089684134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 1089684134 is about 33010.3640391923. The cubic root of 1089684134 is about 1029.0430468407.

The spelling of 1089684134 in words is "one billion, eighty-nine million, six hundred eighty-four thousand, one hundred thirty-four".