19134089 has 4 divisors (see below), whose sum is σ = 20605956. Its totient is φ = 17662224.

The previous prime is 19134079. The next prime is 19134107. The reversal of 19134089 is 98043191.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12924025 + 6210064 = 3595^2 + 2492^2 .

It is a cyclic number.

It is not a de Polignac number, because 19134089 - 2⁸ = 19133833 is a prime.

It is a super-2 number, since 2×19134089² = 732226723719842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19134079) 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 3 ways as a sum of consecutive naturals, for example, 735914 + ... + 735939.

It is an arithmetic number, because the mean of its divisors is an integer number (5151489).

Almost surely, 2^19134089 is an apocalyptic number.

It is an amenable number.

19134089 is a deficient number, since it is larger than the sum of its proper divisors (1471867).

19134089 is a wasteful number, since it uses less digits than its factorization.

19134089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471866.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 19134089 is about 4374.2529647930. The cubic root of 19134089 is about 267.4664190530.

The spelling of 19134089 in words is "nineteen million, one hundred thirty-four thousand, eighty-nine".