19134100 has 18 divisors (see below), whose sum is σ = 41521214. Its totient is φ = 7653600.

The previous prime is 19134079. The next prime is 19134107. The reversal of 19134100 is 143191.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5026564 + 14107536 = 2242^2 + 3756^2 .

It is a super-2 number, since 2×19134100² = 732227565620000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19134107) 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 5 ways as a sum of consecutive naturals, for example, 95571 + ... + 95770.

Almost surely, 2^19134100 is an apocalyptic number.

19134100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19134100 is an abundant number, since it is smaller than the sum of its proper divisors (22387114).

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

19134100 is a wasteful number, since it uses less digits than its factorization.

19134100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191355 (or 191348 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 19134100 is about 4374.2542221503. The cubic root of 19134100 is about 267.4664703076.

Adding to 19134100 its reverse (143191), we get a palindrome (19277291).

The spelling of 19134100 in words is "nineteen million, one hundred thirty-four thousand, one hundred".