19130864 has 10 divisors (see below), whose sum is σ = 37066080. Its totient is φ = 9565424.

The previous prime is 19130863. The next prime is 19130869. The reversal of 19130864 is 46803191.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 19130864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19130861) 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 as a sum of consecutive naturals, namely, 597824 + ... + 597855.

It is an arithmetic number, because the mean of its divisors is an integer number (3706608).

Almost surely, 2^19130864 is an apocalyptic number.

It is an amenable number.

19130864 is a deficient number, since it is larger than the sum of its proper divisors (17935216).

19130864 is a wasteful number, since it uses less digits than its factorization.

19130864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195687 (or 1195681 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 19130864 is about 4373.8843148853. The cubic root of 19130864 is about 267.4513912899.

The spelling of 19130864 in words is "nineteen million, one hundred thirty thousand, eight hundred sixty-four".