19368130 has 8 divisors (see below), whose sum is σ = 34862652. Its totient is φ = 7747248.

The previous prime is 19368079. The next prime is 19368137. The reversal of 19368130 is 3186391.

It can be written as a sum of positive squares in 2 ways, for example, as 17564481 + 1803649 = 4191^2 + 1343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19368092 and 19368101.

It is not an unprimeable number, because it can be changed into a prime (19368137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968397 + ... + 968416.

Almost surely, 2^19368130 is an apocalyptic number.

19368130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19368130 is a deficient number, since it is larger than the sum of its proper divisors (15494522).

19368130 is a wasteful number, since it uses less digits than its factorization.

19368130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1936820.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19368130 is about 4400.9237666654. The cubic root of 19368130 is about 268.5525190668.

The spelling of 19368130 in words is "nineteen million, three hundred sixty-eight thousand, one hundred thirty".