19134468 has 60 divisors (see below), whose sum is σ = 50769180. Its totient is φ = 6283008.

The previous prime is 19134457. The next prime is 19134487. The reversal of 19134468 is 86443191.

19134468 is a `hidden beast` number, since 191 + 3 + 4 + 468 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14152644 + 4981824 = 3762^2 + 2232^2 .

It is a super-2 number, since 2×19134468² = 732255731286048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23248 + ... + 24056.

It is an arithmetic number, because the mean of its divisors is an integer number (846153).

Almost surely, 2^19134468 is an apocalyptic number.

19134468 is a gapful number since it is divisible by the number (18) 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 19134468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25384590).

19134468 is an abundant number, since it is smaller than the sum of its proper divisors (31634712).

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

19134468 is a wasteful number, since it uses less digits than its factorization.

19134468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 887 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 19134468 is about 4374.2962862614. The cubic root of 19134468 is about 267.4681849955.

The spelling of 19134468 in words is "nineteen million, one hundred thirty-four thousand, four hundred sixty-eight".