19014147 has 6 divisors (see below), whose sum is σ = 27464892. Its totient is φ = 12676092.

The previous prime is 19014139. The next prime is 19014157. The reversal of 19014147 is 74141091.

It is not a de Polignac number, because 19014147 - 2³ = 19014139 is a prime.

It is a super-2 number, since 2×19014147² = 723075572275218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19014147.

It is not an unprimeable number, because it can be changed into a prime (19014137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1056333 + ... + 1056350.

It is an arithmetic number, because the mean of its divisors is an integer number (4577482).

Almost surely, 2^19014147 is an apocalyptic number.

19014147 is a deficient number, since it is larger than the sum of its proper divisors (8450745).

19014147 is a wasteful number, since it uses less digits than its factorization.

19014147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112689 (or 2112686 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 19014147 is about 4360.5214137761. The cubic root of 19014147 is about 266.9063762981.

The spelling of 19014147 in words is "nineteen million, fourteen thousand, one hundred forty-seven".