19089129 has 8 divisors (see below), whose sum is σ = 26791840. Its totient is φ = 12056256.

The previous prime is 19089089. The next prime is 19089139. The reversal of 19089129 is 92198091.

It is a happy number.

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

It is not a de Polignac number, because 19089129 - 2⁷ = 19089001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19089139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167392 + ... + 167505.

It is an arithmetic number, because the mean of its divisors is an integer number (3348980).

Almost surely, 2^19089129 is an apocalyptic number.

19089129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

19089129 is a deficient number, since it is larger than the sum of its proper divisors (7702711).

19089129 is a wasteful number, since it uses less digits than its factorization.

19089129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334919.

The product of its (nonzero) digits is 11664, while the sum is 39.

The square root of 19089129 is about 4369.1107790945. The cubic root of 19089129 is about 267.2567631999.

The spelling of 19089129 in words is "nineteen million, eighty-nine thousand, one hundred twenty-nine".