19068149 has 4 divisors (see below), whose sum is σ = 19246464. Its totient is φ = 18889836.

The previous prime is 19068113. The next prime is 19068187. The reversal of 19068149 is 94186091.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 19068149 - 2²⁴ = 2290933 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19068349) 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, 88997 + ... + 89210.

It is an arithmetic number, because the mean of its divisors is an integer number (4811616).

Almost surely, 2^19068149 is an apocalyptic number.

It is an amenable number.

19068149 is a deficient number, since it is larger than the sum of its proper divisors (178315).

19068149 is a wasteful number, since it uses less digits than its factorization.

19068149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178314.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 19068149 is about 4366.7091728211. The cubic root of 19068149 is about 267.1588173604.

The spelling of 19068149 in words is "nineteen million, sixty-eight thousand, one hundred forty-nine".