19049130 has 24 divisors (see below), whose sum is σ = 49527972. Its totient is φ = 5079744.

The previous prime is 19049123. The next prime is 19049161. The reversal of 19049130 is 3194091.

It can be written as a sum of positive squares in 2 ways, for example, as 18378369 + 670761 = 4287^2 + 819^2 .

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 19049094 and 19049103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 105739 + ... + 105918.

Almost surely, 2^19049130 is an apocalyptic number.

19049130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19049130 is an abundant number, since it is smaller than the sum of its proper divisors (30478842).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19049130 is a wasteful number, since it uses less digits than its factorization.

19049130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211670 (or 211667 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 19049130 is about 4364.5309026286. The cubic root of 19049130 is about 267.0699644113.

The spelling of 19049130 in words is "nineteen million, forty-nine thousand, one hundred thirty".