19141000 has 32 divisors (see below), whose sum is σ = 44792280. Its totient is φ = 7656000.

The previous prime is 19140971. The next prime is 19141013. The reversal of 19141000 is 14191.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6022116 + 13118884 = 2454^2 + 3622^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8571 + ... + 10570.

Almost surely, 2^19141000 is an apocalyptic number.

19141000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19141000 is an abundant number, since it is smaller than the sum of its proper divisors (25651280).

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

19141000 is a wasteful number, since it uses less digits than its factorization.

19141000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19162 (or 19148 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 19141000 is about 4375.0428569329. The cubic root of 19141000 is about 267.4986170482.

Adding to 19141000 its reverse (14191), we get a palindrome (19155191).

The spelling of 19141000 in words is "nineteen million, one hundred forty-one thousand".