19130100 has 216 divisors, whose sum is σ = 66495744. Its totient is φ = 4224000.

The previous prime is 19130057. The next prime is 19130119. The reversal of 19130100 is 103191.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 19130100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 617085 + ... + 617115.

Almost surely, 2^19130100 is an apocalyptic number.

19130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19130100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33247872).

19130100 is an abundant number, since it is smaller than the sum of its proper divisors (47365644).

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

19130100 is a wasteful number, since it uses less digits than its factorization.

19130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 19130100 is about 4373.7969774556. The cubic root of 19130100 is about 267.4478309770.

Adding to 19130100 its reverse (103191), we get a palindrome (19233291).

The spelling of 19130100 in words is "nineteen million, one hundred thirty thousand, one hundred".