19472134 has 8 divisors (see below), whose sum is σ = 31863528. Its totient is φ = 8850960.

The previous prime is 19472129. The next prime is 19472177. The reversal of 19472134 is 43127491.

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 = 19472096 and 19472105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442527 + ... + 442570.

It is an arithmetic number, because the mean of its divisors is an integer number (3982941).

Almost surely, 2^19472134 is an apocalyptic number.

19472134 is a deficient number, since it is larger than the sum of its proper divisors (12391394).

19472134 is a wasteful number, since it uses less digits than its factorization.

19472134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885110.

The product of its digits is 6048, while the sum is 31.

The square root of 19472134 is about 4412.7241019579. The cubic root of 19472134 is about 269.0323570020.

The spelling of 19472134 in words is "nineteen million, four hundred seventy-two thousand, one hundred thirty-four".