19214149 has 4 divisors (see below), whose sum is σ = 20225440. Its totient is φ = 18202860.

The previous prime is 19214147. The next prime is 19214159. The reversal of 19214149 is 94141291.

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 19214149 - 2¹ = 19214147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19214149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19214147) 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, 505617 + ... + 505654.

It is an arithmetic number, because the mean of its divisors is an integer number (5056360).

Almost surely, 2^19214149 is an apocalyptic number.

19214149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

19214149 is a deficient number, since it is larger than the sum of its proper divisors (1011291).

19214149 is a wasteful number, since it uses less digits than its factorization.

19214149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011290.

The product of its digits is 2592, while the sum is 31.

The square root of 19214149 is about 4383.3946890509. The cubic root of 19214149 is about 267.8389403182.

It can be divided in two parts, 192 and 14149, that added together give a palindrome (14341).

The spelling of 19214149 in words is "nineteen million, two hundred fourteen thousand, one hundred forty-nine".