19134147 has 8 divisors (see below), whose sum is σ = 25765200. Its totient is φ = 12629600.

The previous prime is 19134139. The next prime is 19134151. The reversal of 19134147 is 74143191.

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

It is a cyclic number.

It is not a de Polignac number, because 19134147 - 2³ = 19134139 is a prime.

It is a super-2 number, since 2×19134147² = 732231162835218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19134107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31272 + ... + 31877.

It is an arithmetic number, because the mean of its divisors is an integer number (3220650).

Almost surely, 2^19134147 is an apocalyptic number.

19134147 is a deficient number, since it is larger than the sum of its proper divisors (6631053).

19134147 is a wasteful number, since it uses less digits than its factorization.

19134147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63253.

The product of its digits is 3024, while the sum is 30.

The square root of 19134147 is about 4374.2595944914. The cubic root of 19134147 is about 267.4666893042.

The spelling of 19134147 in words is "nineteen million, one hundred thirty-four thousand, one hundred forty-seven".